peck at

US /pek æt/
UK /pek æt/
"peck at" picture
1.

少ししか食べない, つまむ

to eat only small amounts of food because you are not hungry or do not like the food

:
She was so upset that she could only peck at her dinner.
彼女はとても動揺していたので、夕食を少ししか食べられなかった
The child would only peck at his vegetables, refusing to eat properly.
その子供は野菜を少ししか食べず、きちんと食べようとしなかった。