1. 不需要的;沒(méi)必要的;多余的 If you describe something as unnecessary, you mean that it is not needed or does not have to be done, and is undesirable.
e.g. The slaughter of whales is unnecessary and inhuman... 屠殺鯨魚(yú)是沒(méi)有必要的也是不人道的。 e.g. He accused Diana of making an unnecessary fuss. 他責備黛安娜沒(méi)必要那么大驚小怪。
unnecessarily I didn't want to upset my husband or my daughter unnecessarily... 我不想讓我的丈夫和女兒不必要地擔憂(yōu)。 A bad keyboard can make life unnecessarily difficult. 一個(gè)壞鍵盤(pán)可以讓生活變得異常麻煩。