I called the police but they weren't very helpful.
我叫了警察，但他們不太肯幫忙。
You'll find it helpful to talk things over with a friend.
把情況和朋友詳細(xì)聊一聊，你會(huì)覺得大有幫助。
The people I spoke to were very helpful.
我交談過的人都很肯幫忙。
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。