3.) 极其重要的,必不可少的[(+to/for)]

The questions put forward at the meeting are of vital importance.

会上提出的那些问题极其重要。

2.) 充满活力的,生气勃勃的

The Chinese I knew were trusting, open, and vital.

我所认识的中国人信赖别人,坦率,充满活力。

1.) 生命的;维持生命所必需的

Growth and decay are vital processes.

生长和衰亡是生命过程。

2.) 调查[(+into)]

An official enquiry into the incident was launched.

官方对这一事件进行了调查。

After months of enquiry we finally discovered the truth.

经过几个月调查,我们最后发现了真相。

assistance

n.

援助,帮助[U][(+in)]

Your technical assistance in the project is greatly appreciated.

您对这个项目的技术援助大受赞赏。

vital

adj.

1.) 询问;打听[(+about)]

make enquiries of somebody about something

向某人询问某事

5.) (污渍)难去掉的

This detergent can remove stubborn stains.

这种去污剂能去除难洗的污渍。

enquiry

n.[U][C]

4.) (病)难治好的

I had a stubborn cold and coughed day and night.

我得了很难治的感冒,日夜咳嗽。

3.) 难处理的,难对付的

This lock’s rather stubborn; it needs oiling.

这把锁很难开;得给它加点油了。

2.) 顽强的,不屈不挠的

The defenders put up a stubborn resistance.

防守将士进行了顽强的抵抗。

1.) 倔强的,顽固的;不听话的

He is as stubborn as a mule.

他像骡子一般执拗。