Ｉ

• It is six of one and half a dozen of the other. 彼此彼此。

• If one sheep leaps over the ditch, all the rest will follow. 榜样的力量是无穷的。

• It is a poor mouse that has only one hole. 狡兔三窟。

• Ill news never comes too late. 好事不出门，坏事传千里。

• It is the first step that is troublesome. 万事开头难。来源：考试大

Ｊ

• Justice has long arms. 天网恢恢，疏而不漏。

Ｋ

• Knowledge is a treasure, but practice is key to it. 实践得真知。

• Keeping is harder than winning. 创业不易，守业更难。

• Knowledge is no burden. 艺不压身。

• Kiss and be friends. 握手言和。

• Kill two birds with one stone. 一箭双雕

Ｌ

• Let's cross the bridge when we come to it.既来之，则安之。

• Love is blind. 情人眼里出西施。

• Little chips light great fires. 星星之火，可以燎原。来源：考试大

• Like knows like. 惺惺相惜。

• Live and learn. 学无止境。