The ship was helpless against the power of the storm.

　　那艘船只能任憑強(qiáng)大的暴風(fēng)雨肆虐。

　　It's natural to feel helpless against such abuse.

　　對(duì)這種虐待感到無(wú)能為力是自然的。

　　He lay helpless on the floor.

　　他無(wú)助地躺在地板上。

　　The people I spoke to were very helpful.

　　我交談過的人都很肯幫忙。

　　The booklet should be very helpful to parents of disabled children.

　　這本小冊(cè)子對(duì)于殘疾兒童的父母會(huì)很有用。

　　Role-play is helpful in developing communication skills.

　　角色扮演有助于提高溝通技巧。