They are not fussy eaters.

它们不挑食。

youdao

Based on public opinion so much, I am not fussy eaters are good habits from being overwritten.

基于如此多舆论，我不挑食的好习惯从此被改写。

youdao

Koalas are very fussy eaters, feeding almost exclusively on the leaves of a few species of eucalypt.

无尾熊是很挑剔，几乎只在树叶的几种桉树。

youdao

Research suggests that babies who are given lumpy food after 10 months are more likely to be fussy eaters and can exhibit strong likes and dislikes even at seven years old.

BBC: Vitamin D and weaning advice for new Scottish mothers