•She explained the whole idea again, but I still didn't understand.她把整个想法又解释了一遍，但我还是不明白。

•Is there anyone here who understands Arabic?这儿有人懂阿拉伯语吗？

•I think he was phoning from a pub - it was so noisy I couldn't understand (= recognize) a word he said.我想他是在一个酒吧里打的电话——那头太吵了，他说的话我一个字也没听清。

•[+ question word] We still don't fully understand how the brain works.我们还未完全弄懂大脑是如何工作的。

•My wife doesn't understand me.我太太不理解我。

•Sometimes I don't understand James.有时候我搞不懂詹姆斯。

•[+ question word] You don't understand wh at it's like/ how it feels to have to beg on the streets.你不了解出于无奈才上街乞讨是甚么样子／是甚么样的感觉。

•When he said 3 o'clock, I understood him to mean in the afternoon.他说三点钟时，我误解为是下午。

•Both sides must try to understand one another, to recognise each others' rights, feelings and beliefs.双方都应尽量相互理解，认可彼此的权利、情感和信仰。

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•[+ (that)] I understand (that) you are interested in borrowing some money from us.我听说你想从我们这里借些钱。

•[+ that] The Director had given her to understand (= told her) that she would be promoted.主任跟她说她将会得到提拔。

•[+ obj + to infinitive] A secret buyer is understood to have paid £1 million for the three pictures (= there is unofficial news that this has happened).据说，有一位不愿透露姓名的买家花了100万英镑买走了那三幅画。

•I don't want you to see that boy again. Understand?/Do you understand?/Is that understood?我不想你再和那个男孩见面，明白吗？

•In the library it is understood that loud talking is not permissible.众所周知，图书馆里禁止大声喧哗。

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•Since they spoke only Swahili, we used signs and gestures to make ourselves understood.因为他们只会说斯瓦希里语，因此我们就借助动作和手势让对方明白我们的意思。