1
- not needed不必要的：
the police had used unnecessary violence.
警察使用了不必要的暴力。
1.1
- more than is needed; excessive多余的; 不必要的：
good construction is essential to avoid unnecessary waste.
要避免不必要的浪费, 好的施工至关重要。
1.2
- (of a remark) not appropriate and likely to be offensive or impertinent（话语）不恰当的; 无礼的, 冒犯的。
plural noun
unnecessaries
- unnecessary thing非必需品。
派生词