They haven't had a square meal for four or five days.

他们已经四五天没吃上一顿像样的饭了。

柯林斯例句

I've been so busy I haven't had a square meal in three days.

我由于太忙,已经三天没吃上一顿正经饭了.

《现代英汉综合大词典》

He looks as though he hasn't had a square meal for months, ie looks underfed.

瞧他那样子,好像几个月没好好吃过一顿饭似的.

辞典例句