英汉词典

1. 不需要的;不必要的
    Something that is needless is completely unnecessary.

    e.g. But his death was so needless...
           但他的死太没有必要了。
    e.g. 'I have never knowingly exposed any patient to needless risks,' he said.
           他说：“我从未故意将任何病人置于不必要的风险境地。”