Nobody helped him and he didn't know how to go on living.

没有人帮助他，他不知道如何生活下去。

youdao

He complained that nobody helped him and that he did all the work on his own.

他抱怨说，没有人帮助他，这些活全是他一个人干的。

youdao

We arrived the top of a mountain and set up our antenna. nobody knows how to used FT-7800, except for me. at first, I helped BH7PGA to set up all the channel in Shenzhen, and told him how to use it.

首先，我帮助BH7PGA设置了所有深圳的（业余中继的）频点，并告诉他如何使用它（FT-7800）。他说，他刚买的（FT-7800），所以不知道如何使用它。

youdao