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1·You needn't finish that work today.

你不必今天做完这项工作。《牛津词典》

2·Look, you needn't shout.

喂，你不必喊。《柯林斯英汉双解大词典》

3·You needn't worry.

你不必担心。《柯林斯英汉双解大词典》

4·Education needn't only be about furthering your career.

教育不必只是与推进你的事业有关。《柯林斯英汉双解大词典》

5·I got very nervous about the exam, but in the event, I needn't have worried; it was really easy.

我对考试提心吊胆，但其实我本不必担心，这次考试的确很容易。《牛津词典》

6·You needn't bother about this.

这件事你就不必过问了。《新英汉大辞典》

7·Perhaps you needn't worry so much.

也许你不必太担心。

8·You needn't worry too much about me.

你们不必过于为我担心。《新英汉大辞典》

9·You needn't worry about the children.

你不必为孩子们操心。《新英汉大辞典》

10·You needn't be frightened at the dog.

你不必怕那条狗。《新英汉大辞典》