形容词
1. That was an unnecessary remark.
那句话是多余的。
2. unnecessary在线翻译
2. All those clothes are unnecessary on such a hot day.
在这样一个大热天，所有那些衣服都不需要了。
1. 不必要的,多余的：Sleep and food are necessary to health. 睡眠和食物对健康是必要的. | unnecessary 不必要的,多余的 | Sports are unnecessary. 运动是不必要的.
2.
2. 没必要的：unnecessarily 不必要地 | unnecessary 没必要的 | unneighborly 不睦邻的
1. 不需要的；没必要的；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.
unnecessary在线翻译
e.g. The slaughter of whales is unnecessary and inhuman...
屠杀鲸鱼是没有必要的也是不人道的。
e.g. He accused Diana of making an unnecessary fuss.
他责备黛安娜没必要那么大惊小怪。