The ship was helpless against the power of the storm.
那艘船只能任凭强大的暴风雨肆虐。
It's natural to feel helpless against such abuse.
对这种虐待感到无能为力是自然的。
He lay helpless on the floor.
他无助地躺在地板上。
The people I spoke to were very helpful.
我交谈过的`人都很肯帮忙。
The booklet should be very helpful to parents of disabled children.
这本小册子对于残疾儿童的父母会很有用。
Role-play is helpful in developing communication skills.
角色扮演有助于提高沟通技巧。