"pick at" in Chinese (Simplified)
挑食摳（伤口）
Definition
只吃一点点食物，没有食欲，或反复触碰、抓挠某物，尤其是伤口。
Usage Notes (Chinese (Simplified))
通常用于形容没有胃口时小口吃东西，也用于反复抓挠伤口。多用于口语，表达随意、缺乏兴趣的行为。不要与单纯“挑选”混淆。
Examples
The child picked at his vegetables and didn't finish dinner.
孩子只是**挑食**吃了蔬菜，没有吃完晚饭。
Please don't pick at your wound, it needs to heal.
请不要**抠**你的伤口，它需要愈合。
He just picks at his lunch every day.
他每天都只是**挑食**午饭。
I'm not hungry—I just picked at my food while we talked.
我没什么胃口，和你聊天时只是**随便吃了几口**。
Teenagers sometimes pick at their meals when they're stressed.
青少年有压力时有时会**挑食**。
Stop picking at that scab, or it’ll never heal.
别再**抠**那个结痂了，不然永远好不了。