needlessKK [ˋnidləs] /ˈnidləs/发音形容词1不必要的、多余的、无谓的The delay caused needless stress for everyone involved.这次延误给所有相关的人带来不必要的压力。2无端的、毫无理由的Thousands of animals suffer needless pain in these tests.数千只动物在这些试验中承受无端的痛苦。片语1不用说、不言而喻Needless to say, she was thrilled with the results.不用说,她对结果非常满意。用这个字练口说→相关片语needless to say