保持友谊最好的办法就是回馈友谊。
One of the best ways to keep friendship is to return it.
背后说好话的人才是好朋友。
He is a good friend that speaks well of us behind our backs.
背信弃义的开始，就是友谊的终结。
Friendship ends where treachery（背叛）begins.
不可草率交友。
Do not rash to make friends.
不可靠的朋友比敌人对自己的危害更大。
May God defend me from my friends; I can defend myself from my enemies.
不太了解就交朋友是会后悔的。
Short acquaintance bring repentance.
不要给朋友帮倒忙。
Save me from my friends.
不要轻信朋友的赞扬和敌人的轻视。
Trust not the praise of a friend, nor the contempt of an enemy.
不要因为开玩笑而失去朋友。
Do not lose your friend for your jest.
不要因为小事伤友情。
Fall not out with a friend for a trifle.
猜疑损害友谊。
Distrust is poison to friendship.
Suspicion is the fang / poison of friendship.
陈酒味醇，老友情深。
Old friends and old wine are best.
对朋友不义者不可能效忠国家。
It is impossible that a man who is false to his friends should be true to his country.
分享使快乐增倍，分担使忧愁减半。
When shared, joy is doubled and sorrow halved.
肤浅者无朋友。
Where the water is shallow no vessel will ride.
富贵者门庭若市。
In time of prosperity, friends will be plenty.
富贵者门庭若市，落魄者门可罗雀。世态炎凉。
In time of prosperity, friends will be plenty; in time of adversity not one amongst twenty.
富人分不清谁是他的朋友。
The rich knows not who is his friend.
富人朋友多。
Rich folk have many friends.
富裕招致朋友，贫困考验朋友。
Prosperity makes friends and adversity tries them.
公开的敌人胜过虚假的朋友。
Better an open enemy than a false friend.
There is more danger from a pretended friend than from an enemy.
故人一见便相亲。
Old acquaintance will soon be remembered.
观其友，知其人。
A man is known by his friends.
As a man is, so is his company.
Men are known by the company they keep.
过分亲密的朋友就会吵架。
Too-too will in two.
海内存知己，天涯若比邻。
A bosom friend afar brings a distant land near.
好友即至亲。
A good friend is the nearest relation.
好友如冬天的太阳带来温暖。
A good friend is as the sun in winter.
好友终有分手时。
The best of friends must part.
患难考验朋友的真诚。
Misfortune tests the sincerity of friends.
患难识挚友，烈火辨真金。
A friend is never known in time of need.
A friend is never known till needed.
A sure friend is known in a doubtful matter.
At need one sees who his friend is.
Fall sick and you will see who is your friend and who is not
The friend is known in the time of difficulty.
患难之交最可贵。
Nothing is dearer to a man than a friend in need.
饥不认友。
Hunger knows no friend.
疾风知劲草，烈火辨真金
A good pilot is not known when the sea is calm and the weather fair.
A good seaman is known in bad weather.
A hero is only known in the time of misfortune.
A helmsman is tested in a rough sea; a hero is distinguished in difficult circumstances.
A smooth sea never makes a skilful mariner.
Calamity is man’s true touchstone.
Difficulties are things that show what men are.
交上坏朋友，陷入魔鬼网。
Bad company is the devil’s net.
交往过密过疏，都会失去朋友。
Friends are lost by calling often and calling seldom.
交友不慎必后悔。
Sudden friendship, sure repentance.
交友浪费时间。
Friends are thieves of time.
交友难，失友易。
A friend is easier lost than found.
A friend is not so soon gotten as lost.
结交宜广，交友宜少。
Have but few friends, though many acquaintances.
借出钱就会失友。
He that does lend, does lose his friend.
Lend your money and loose your friend.
借钱给朋友，使友变敌仇。
You can make an enemy out of your best friend by lending him money.
近友胜远亲。
A near friend is better than a far-dwelling kinsman.
经过考验，方可信赖。
Proved and tried, in him confide.
酒逢知己千杯少，话不投机半句多。
Sweet discourse makes short days and nights.
酒肉朋友不长久。
No friendship lives long that owes its rise to the pot.
酒肉朋友靠不住。
A table friend is a variable friend.
Table friendship soon changes.
酒肉之交不是真朋友。
I know him not should I meet him in my pottage dish.
君子之交淡如水。
A hedge between keeps friendship green.
Friends agree best at a distance.
To preserve friendship, one must build walls.
考察之后才可信。
Trust not before you try.
口蜜腹剑是伪善的朋友。
A false friend has honey in his mouth, gall in his heart.
快乐的旅伴犹如妙曲。
A merry companion is music in a journey.
滥交者无友。
A friend to all is a friend to none.
Everybody’s friend is nobody’s friend.
Who makes friends of all keeps none.
老朋友是最好的镜子。
The best mirror / looking-glass is an old friend.
There is no better looking-glass than an old friend.
老曲最悦耳，老友最可靠。
Old tunes are sweetest and old friends are surest.
礼物使友谊长存。
Gifts make friendship lasting.
良友比金银更可贵。
Better a good friend than silver and gold.
烈火试真金，逆境测友情。
Fire is the test of gold, adversity of friendship.
烈火试真金，逆境识好汉。
Fire proves gold, adversity prove men.
旅途有好伴，不嫌旅途长。
Cheerful company shortens the miles.
Good company on the road is the shortest cut.
Good company makes the road shorter.
Good company makes short miles.
No road is long with good company.
没钱不能没朋友。
Better without gold than without friend.
没有不散的筵席。
All good things came to an end.
Everything has an end.
Everything hath an end.
Friends must part
The best of friends must part.
We never meet without a parting.
没有朋友，世界就是荒野。
Without a friend, the world is wilderness.
没有朋友的人，就像身躯没有灵魂。
Who finds hiself without friends is like a boey without a soul.
没有朋友的人生就等于没有阳光的人生。
A life without a friend is like a life without a sun.
没有朋友的人只能算半个人。
A man without a friend is only half a man.
没有信任就没有友谊。
Without confidence there is no friendship.
明枪易躲，暗箭难防。敌人易防，朋友难测。
God defend / deliver / preserve me from my friends, from the enemies I can / will defend myself.
明枪易躲，暗箭难防。
A false friend is worse than an open enemy.
An open enemy is better than a false friend.
Better an open enemy than a false friend.
An open enemy is better than a hollow friend.
难友最可贵。
It is good to have company in misery.
It is good to have friends in trouble.
你最好的朋友最后是你自己。
You are your best friend – to the end.
逆境见人心。
A friend is best found in adversity.
A true friend is known in the day of adversity.
It is difficulties which show what men are.
宁可不开玩笑，也不能失去朋友。
Better lose a hest than a friend.
宁可独处也不交损友。
It is better to be alone than in ill company.
宁可无友，不交坏友。
Better be alone than in bad / ill company.
It is better to be alone than in bad company.
宁骑驮人之驴，不骑摔人之驹。宁和老实之人打交道，不和害人之人打交道。
Better ride on an ass that carries me than a horse that throws me.
培养礼貌获得友谊，行善施恩获得感情。
He who sows courtesy reaps friendship, and he who pants kindness gathers love.
朋友不怕多，仇人怕一个。
A thousand friends are few, one enemy is too many.
One enemy can do more hurt than ten friends can do good.
One foe / enemy is too many, and a hundred friends too few.
One enemy is too much.