pick at

吃一点点, 挑毛病

例句与用法：

The old man is only picking at his food; he must be ill.

老人只吃一点点东西; 他一定是病了。

Don't pick at me day and night.

别整天对我唠叨挑三拣四

During the meal she picked at her food.

吃饭时，她只吃一点点。

详细释义：

1. 吃得很少

The boy is only picking at his food.

那男孩只吃一点点。

2. 找……的茬; 挑毛病

Why are you always picking at me?

你为什么老是挑我的毛病?