每日商务英语 第621期:饭量很小

to eat like a bird ------- 饭量很小（成语）

英文释义
(IDIOM) To eat very little.

例句
I enjoy eating a large meal, unlike my skinny sister, who always eats like a bird.
我喜欢大吃大喝，不像我的骨瘦如柴的妹妹，总是吃得很少。