if need be中文什么意思

如果需要的话

• if:     If they had ...
• need:    n. 1.必要,需要。 2.缺乏,不 ...
• at need:    困难时

例句与用法

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1. If need be , i can do extra work at the weekend .
   必要时我可以在周末加班。
2. There is always the food in the freezer if need be .
   如果需要食物的话，冰箱里就有。
3. You can depend on him to rise to the occasion , if need be .
   你可依靠他来应付这个局面。
4. My experiences were teaching me to be able to do this too, if need be .
   我的经验教导我，人们在必要时这样做一下也是可以的。
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。