She's hard as nails.

她像钉子一样硬。

youdao

The soldier was as hard as nails.

这位战士身体如铁打一般的强健。

youdao

You are right. To remade the nails is a hard work and very tedious.

你说得对。要改造钉子是一个艰苦的工作，非常单调乏味。

youdao

You are right. To remade the nails is a hard work and very tedious.

你说得对。要改造钉子是一个艰苦的工作，非常单调乏味。

youdao