1.种瓜得瓜，种豆得豆 No pains, no gains.

2.祸从口出 言多必失 The tongue cuts the throat.

3.一箭双雕，一石二鸟 A stone kills two birds.

4.骄兵必败 Pride goes before a fall.

5.无官一身轻 Out of office, out of danger.