It's your duty to inform her of the decision.
你应该把这个决定告诉她。
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今天的几个例句都是有关说明对方有义务的：1. You should tell us the truth.你应该把真相告诉我们。2. You have got to stay up late to finish the work.你得熬夜完成这项工作。
Words cut more than swords.
舌剑利于刀剑。
To believe with certainty,we must begin with doubting.
要完全相信我们首先得怀疑.
—— Stanislaus
I don't think it's necessary for you to give in
我认为你不必让步。
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今天的几个例句都是有关告知对方不必做什么：1.You haven't got to return it. 你不必把它还回去。2. You oughtn't to do the part-time job.你不该做兼职。
It's easy to be wise after the event.
事后诸葛亮好当
Freedom is always and exclusively freedom for the one who thinks differently.
——Rosa Luxemburg. Cerman revolutionary
自*由始终是，并且只能是持不同思想者的自*由。
—— 德国革命家 卢森堡. R
You are free to decide for yourself.
你可以自己决定。
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今天的几个例句都是有关自己决定的：1. It's up to you. 2. It's for you to decide. 3. The decision is yours. 4. I leave the decision in your hands.我让你自己决定。
Honesty is the best policy.
诚实为上策
Living without an aim is like sailing without a compass.
生活而无目标，犹如航海之无指南针。
—— J. Ruskin 鲁斯金
I'm obliged not to drink a lot
我不应该喝太多酒。
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今天的几个例句都是有关说明自己有义务不做的：1. I mustn't be absent. 我绝不能缺席。2. I feel it is my duty not to give it up.我觉得我有义务不放弃。3. I oughtn't to tell you the truth. 我不应该把真相告诉你。
