help out后面加什么介词

　　He thought you'd been brought in from Toronto to help out the local police.

　　他认为你是从多伦多调过来协助当地警方工作的。

　　I help out with the secretarial work

　　我帮着做些秘书工作。

　　I've read that you've enlisted some 12-year-olds to help out in your campaign

　　我读到你让一些12岁的`孩子在宣传活动中做帮手。

　　Help out, don't hinder.

　　帮帮忙，不要碍事。

　　Two teachers who worked for the country's Department of Education arrived to help out.

　　国家教育部的两位老师来帮忙了。