Not both the boys were ill.

并不是两个孩子都病了。

youdao

Both the boys are clever.

这两个孩子都很聪明。

youdao

The piano and the violin were both ranked more favorably by girls than by boys, while boys prefer the drums and trumpets.

女孩对钢琴和小提琴的评价都比男孩高，而男孩更喜欢鼓和喇叭。

youdao

In nineteen-oh-nine, the Hersheys created the Hershey Industrial School for boys who had lost one or both parents.

VOA: special.2010.12.05

Usually the day before a race I'm involved in activation work with both the boys and the girls so that's any soft tissue work, joint manipulation or release and any last minute preparations for the race.

BBC: Physio gets Brownlee back on track

But both of the Harbaugh boys had been bitten by the coaching bug early.

NPR: SUPER BOWL WATCH: Beyonce, Avocados, Practice

Can I just remind you that both the Prince of Wales and the Princess of Wales, before the boys were very old, both went on national television and admitted in documentaries and have made contributions to books which are in the public domain, about their private lives which also were very hurtful to the young princes.

BBC: Full text: Burrell interview