help me translate below sentences ,tks a lotin a desperate bid to fend off and all-out american offensive

问题描述:

help me translate below sentences ,tks a lot
in a desperate bid to fend off and all-out american offensive

拼死地争取抵挡住美国人的全力攻击

在绝望的尝试中去抵挡所有的美国人的攻击