1.
worry unnecessarily of excessively.
不必要地过分地担心。
2.
a person who alarms others needlessly.
不必要地警告他人的人。
3.
Creating unnecessary fuss.
不必要地小题大做的.
4.
using more words than necessary.
不必要地使用过多词语。
5.
unnecessary use of authority
在不必要情况下使用权力；不必要地行使职权
6.
person who alarms others unnecessarily or excessively
不必要地或过分地使他人惊慌的人.
7.
Some parents worry unnecessarily about their children.
有些父母不必要地为孩子担心。
8.
They ran up costs unnecessarily.
他们不必要地提高了成本。
9.
he cried, needlessly indicating the direction.
他喊道，一面不必要地指着方向。
10.
disputants who needlessly protracted the negotiations.
那些不必要地延长谈判时间的争论者
11.
Certainly he wasn't going to involve his uncle unnecessarily.
当然他不想把他的叔叔不必要地卷进去。
12.
Wherever conductors are needed, insulators will be indispensable.
凡需要导体的地方，绝缘体必不可少。
13.
When (you are) in need, don't hesitate to ask me for help.
需要时，请不必客气地找我帮忙。
14.
The virtues of the invisible hand must be that much discounted.
看不见的手的效能必然要相应地降低。
15.
To write a novel,one must keep pegging away at it consistently.
要写小说,必须不断地辛勤劳动。
16.
Of necessity;inevitably.
必然必需地，不可避免地
17.
We should try our best to reduce unnecessary slips in our work.
我们要尽可能地减少工作中不必要的失误。
18.
“We have to sharpen our edge to succeed”. To have the success tasted, you should persistently endeavor to chase your goal.
“工欲善其事，必先利其器”。想要尝到成功的滋味，就必须要不懈地努力。