Mind and look sharp after me the next time.

下次注意留心看住我。

The husband thought to himself, "If my wife manages matters thus, I must look sharp myself."

丈夫心里想：“要是我妻子把事情弄成这样，我自己要多注意了。”

You'd better look sharp or you'll be late.

你得快点，不然就迟到了。

You're one that needs someone to look sharp after you.

你就是那种需要严格看管的人。

The guide told us to look sharp because there are rattlesnakes around.

向导要我们特别留神， 因为附近有响尾蛇。