Definition
to consume small amounts of food with little enthusiasm
浅尝辄止（地吃）
He just pecked at his dinner.
他只是随便吃了几口晚餐。
She pecked at some fruit since she wasn't very hungry.
她因为不太饿，所以只吃了一点水果。
The kids pecked at their lunch, showing little interest in the food.
孩子们对午餐没什么兴趣，只是随便吃了几口。