need·less/`nidlɪs; ˈniːdləs/ adj 1 needless to say used when you are telling someone about something that they probably already know or expect 不用说，当然: Needless to say, with four children we're always busy. 不用说，四个孩子弄得我们常常都很忙碌。 2 not necessary, and often easily avoided 不必要的: needless suffering 不必要的痛苦