You don't have to be angry with him
必要───necessary;生气───get angry
Hospital admission is not necessary in most cases.───大多数情况下，病人无须住院。
The man could unerringly select the parts that were necessary to his task.───这人能准确无误地挑选出完成他的任务所需要的部分。
He believed that in building socialism it was necessary to make thorough plans on behalf of the state.───他认为搞社会主义,要替国家好好打算盘.
They always sum up their ( work ) experience whenever it is necessary, so they improve rapidly.───他们总是随时总结经验, 所以工作质量提高很快.
They are only doing what is necessary to prevent wholesale destruction of vegetation.───他们只是在采取必要措施避免大规模的植被破坏。
We will use air power to protect UN peacekeepers if necessary.───必要的话我们会动用空军保护联合国维和人员。
Higher taxes may be a necessary evil.───提高税收可能会很不受欢迎，但却是必要的。
They were ready to die , if necessary, for their country.───必要时, 他们愿为国捐躯.
It is necessary to keep these two issues distinct.
It's reassuring that we've got the money if necessary.
Hospital admission is not necessary in most cases.
My money came short of the necessary sum.
Attractive label is very necessary.