不必用英语怎么说？

不必

例句

• They don't think they must keep up with their neighbors. 他们认为不必和邻居比排场。
• Computers have done away with a lot of the repetitive work. 有了计算机就不必再做很多重复性的劳动。
• Some parents worry unnecessarily about their children. 有些父母不必要地为孩子担心。
• While the inclination to procrastinate is common , one must fully consider the detrimental impact of unnecessary delays. 虽然拖延的倾向是普遍的，但是人们应该充分考虑到不必要的延误造成的有害影响。
• We should trim off the unnecessary parts of our spending. 我们应该削减不必要的开销。
• Don’t worry about cutting the rose bushes severely,they always grow back,stronger and healthier than ever. 不必担心把玫瑰花丛剪得太厉害,花丛还会长起来的,而且会更加茂盛。
• Don’t regard this very seriously. 对此不必过分介意。
• So you don't need to pretend, do you? 所以你不必装假了, 对吧?
• In writing this report I have omitted all unnecessary details. 在写这份报告时, 我把一切不必要的细节全都删除了。
• There’s no sense in taking unnecessary risks. 做不必要的冒险毫无意义。