"It’s dogged that does it.

"世上无难事，只怕有心人。

It’s never too late to mend.亡羊补牢，犹为未晚。

It’s no use crying over spilt milk.覆水难收。

It's a good horse that never stumbles, A good wife that never grumbles.良马不失蹄，贤妻不聒絮.

It's a poor heart that never rejoices.不知人间有乐趣者最可怜.

It's a poor mouse that has only on hole.鼠只有一洞，必先把命送.

It's all Greek to me.我全不懂.

It's easy to fall into a trap, but hard to get out again.堕入陷阱易，脱离陷阱难.

It's hard sailing when there is no wind.没有风难航行.

It's no use pumping a dry well.徒劳无益.

It's not the gay coat that makes the gentleman.君子重德不重衣.

Jack is making a meal out of a simple job.杰克小题大作。

Jack of all trades and master of none.什麽都会，样样不精

Jack of all trades is of no trade.万事皆通，一无所长.

Jadge not a book by its cover.人不可貌相.

Jest with an ass and he will flap you in the face with his tail.你跟驴子开玩笑，将被驴尾打耳光.

Joy and sorrow are next-door neighbours.是喜是忧难以分.

Joy often comes after sorrow, like morning after night.暮去必将朝至，苦尽常会甜来.

Joy shared with others are more enjoyed.与人同乐，其乐无穷.

Judge not according to the appearance.不要以貌取人.

Judge not from appearances.人不可貌相，海不可斗量。

Judge not of men and things at first sight.审人论事宜谨慎，一见之下莫断定.

Justice has long arms.天网恢恢，疏而不漏.

Keep good men company and you shall be of the number.近朱者赤，近墨者黑。

Keep good men company, and you shall be of the number.近朱者赤.

Keep some till more come.更多的到手以前，要保持手里的一点.