needlessKK [ˋnidləs] /ˈnidləs/發音形容詞1不必要的、多餘的、無謂的The delay caused needless stress for everyone involved.這次延誤給所有相關的人帶來不必要的壓力。2無端的、毫無理由的Thousands of animals suffer needless pain in these tests.數千隻動物在這些試驗中承受無端的痛苦。片語1不用說、不言而喻Needless to say, she was thrilled with the results.不用說，她對結果非常滿意。