unnecessarily meaning in English
adv.
不必要地，多余地，无用地，徒然，无谓。
Examples
- Your highness is taking offence very unnecessarily .
殿下生气，毫无必要。 - All you're doing is worrying your mother unnecessarily .
你做的事是给你妈妈增添了不必要的麻烦。 - The waiters were unnecessarily rude, but none of the customers would kick up a fuss about it .
服务员粗鲁得有点莫名其妙，但没有一位顾客为此而大吵大闹。 - Visual instruments are designed with this in mind so that the eye need not strain unnecessarily .
设计目视仪器时要考虑到这一点，以免造成眼不必要的紧张。 - A plan may contribute to the attainment of objectives, but at too high or unnecessarily high costs .
一个计划可能对达成目标作出贡献，但是成本可能过高或者不需要这样高的成本。