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1·There's always food in the freezer if need be.

如果需要，冰箱里总有食物。《牛津词典》

2·They will act as my legal advisers if need be.

需要的话，他们会作我的法律顾问。《柯林斯英汉双解大词典》

3·We'll bring him back to reason, by force if need be.

我们要使他恢复理智，必要时可用武力。

4·You can depend on him to rise to the occasion, if need be.

如果需要的话，你可依靠他来应付这个局面。《新英汉大辞典》

5·He faced the enemy valiantly, shuned no difficulties and dangers and would not hesitate to lay down his life if need be.

他英勇对敌，不避艰险，赴汤蹈火在所不计。《新英汉大辞典》

6·Yes, he could testify if need be.

是的，如果有需要的话，他可以作证。

7·She can needle herself if need be.

必要时她会给她自己打针的。

8·If need be, they could relax their grip.

如果需要，他们也可以放松银根。

9·So we'll say hello to you later, if need be.

所以我将随后跟你说hello，如果需要。

10·We could offer a better and cleaner version if need be.

如果需要我们其实能做出一个更健康的版本。