1. The danger past and God forgotten.

　　过河拆桥。

　　2. The darkest hour is nearest the dawn.

　　黎明前的黑暗。

　　3. The darkest place is under the candlestick.

　　烛台底下最暗。

　　4. Saying is one thing and doing another.

　　言行不一。

　　5. Seeing is believing.

　　眼见为实。

　　6. Seek the truth from facts.

　　实事求是。

　　7. Send a wise man on an errand, and say nothing to him.

　　智者当差，不用交代。

　　8. Set a thief to catch a thief.

　　以贼捉贼。

    9. One hour today is worth two tomorrow.

　　争分夺秒效率高。

　　10. One man's fault is other man's lesson.

　　前车之鉴。

　　11. One never loses anything by politeness.

　　讲礼貌不吃亏。

　　12. One swallow does not make a summer.

　　一燕不成夏。

　　13. One's words reflect one's thinking.

　　言为心声。

　　14. Out of debt, out of danger.

　　无债一身轻。

　　15. Out of office, out of danger.

　　无官一身轻。

　　16. Patience is the best remedy.

　　忍耐是良药。

　　17. Penny wise, pound foolish.

　　贪小便宜吃大亏。

　　18. Plain dealing is praised more than practiced.

　　正大光明者，说到的多，做到的少。

　　19. Please the eye and plague the heart.

　　贪图一时快活，必然留下隐祸。

　　20. Praise is not pudding.

　　恭维话不能当饭吃。liuxuepaper.com