I must get help.

我必须找帮手。

youdao

I've gone past running the business on my own now; I must get help.

我独自一人经营企业已力不从心；我必须找帮手。

youdao

I must do more to help change the whole society so that all the people could get medical service.

我必须做更多的工作来帮助改变这整个的社会使全体人民都能享受医疗照顾。

youdao

"I must do something to help these children get an education, " she recalls thinking.

CNN: Saving children from Cambodia's trash heap