She tried her best to climb up one of the legs of the table.

best 是副词修饰后面的不定式吗？

为什么出现 her? 表强调吗？

解答如下：

try/do one's best do to sth

=do one'st utmost to do sth

=do sth to the best of one's ability.

=go all out to do sth都表示尽某人最大努力做某事/全力以赴去做某事

（备注：以上best 为名词用法，意思最好的一面，最好的表现）

Good world lamp decoration will do one's utmost to serve you sincerely.  

好世界灯饰以:好灯光、好生活为信念,将竭诚为您服务,共创美好的明天!

I'll do my best to find out. 

我会尽力查明真相。

It wasn't her fault, she was trying her best to help.  

这不是她的错，她是尽力帮忙的。

I feel the personal satisfaction comes from doing work to the best of one's ability.  

我感到个人的满足感来自于尽力做好每项工作.

They will go all out to get exactly what they want.  

他们将尽最大努力实现自己的愿望。

We will be going all out to ensure it doesn't happen again.  

我们要全力保证此事不再发生。