n.助手；帮手

We call a good helper the right arm. 我们称好的帮手为得力的助手。

Mr Smith sent his helper to post these letters. 史密斯先生派他的助手去寄这些信。

The difficulty is the best helper for steeling will. 磨练意志最好的帮手是困难。

He has his faults, but, all in all, he is a good helper. 他虽有缺点，但总的说来，他是一个好帮手。

辅助工