眼不馋，心不贪.
If the old dog barks, he gives counsel.    如果老狗叫，他是给忠告.
If the pills were pleasant, they would not be gilded.    丸药不苦不会加糖衣.
If the sky fll (or falls), we shall catch larks.    异想天开
If there be neither snow nor rain, then will be dear all sorts of grain.    雨雪不调，五谷价高.
If there were no clouds, we should not enjoy the sun.    吃得苦中苦，方知甜中甜.
If they say you are good, ask yourself if it be ture.    若有人称赞你，要自问对不对.
If things were to be done twice all would be wise.    事事倘能做两次，人人都可称明智.
If thou injurest conscience, it will have its revenge on thee.     伤害良心，将受到良心的严惩。
If two men ride on a horse, one must ride behind.    两人同骑一马，必有一人在后.
If we are bound to forgive an enemy we are not bound to trust him.    如果我们决定宽恕一个敌人，但决不能相信他.
If we cannot get what we like, we have to like what we can get.    随遇而安.
If wise men play the fool, they do it with a vengeance.    智者干傻事，愚蠢到极点.
If wishes were horses, beggars might ride.    愿望不等于事实.
If you agree to carry the calf, they'll make you carry the cow.    得寸进尺.
If you are too fortunate, you will not know yourself; if you are too unfortunate, nobody will know you.    运气太好，得意忘形；运气太坏，无人理会.
If you can be well without health you may be happy without virtue.    如果不健康而能强强壮壮，那麽无美德也可快快乐乐.
If you cannot bite, never show your teeth.    不能打仗，切莫出兵.
If you cannot have the best, make the best of what you have.    如果你不能有最好的，你就充分利用你现有的吧.
If you command wisely, you'll be obeyed cheerfully.    倘君指挥有方，人人欣然听命.
If you confer a benefit, never remember it; if you receive one, remember it always.    施恩勿记，受恩勿忘.
If you dance you must pay the fiddler.    liuxuepaper.com