Let sleeping dogs lie. 不要惹事生非。

　　Let the cobbler stick to his last. 安分守己。

　　Let the dead bury the dead. 往事不重提。

　　Let the hands get busy, not the mouth. 手要勤劳，嘴莫多说。

　　Let things take their course. 听其自然。

　　Let your yea be yea and your nay be nay. 是就是，非就非。

　　Liars have need of good memories. 谎言者要有好的记忆力。

　　Liars should have good memories. 说谎的人应有好的记性。

　　Liberty consists in the power of doing that which is permitted by law. 自由就是做法律许可做的事情的权力。

　　Liberty is not licence. 自由不是放纵。

　　Liberty often degenerates into lawlessness. 自由随便，经常堕落到无法无天。

　　Lie in (oron) the bed one has made. 自作自受。

　　Lies have short legs. 谎言是站不住脚的。

　　Life is a battle from cradle to grave. 人生是一场从生到死的战斗。

　　Life is a comedy to him who thinks and a tragedy to him who feels. 对善思考者，人生为喜剧;对凭感觉者，人生为悲剧。

　　Life is a flower of which love is the honey. 人生是花朵，爱情是花蜜。