According to my knowledge, we have been working on this for quite a few years.

据我所知，这个条约已经谈了好几年。

youdao

He is experienced businessman who has engaged in foreign trade for quite a few years.

他是个有经验的商人，做国际贸易已有好几年了。

youdao

He is an experienced businessman; he has engaged in foreign trade for quite a few years.

他是个有经验的商人；他做国际贸易已有好几年了。

youdao

But they used to have him on there for quite a few years

但他曾经在队里呆了好几年呢，

喜欢曲棍球 - SpeakingMax英语口语达人

"New Zealand haven't lost over here for quite a few years, " he said.

BBC: Robinson urges Scots to make history against All Blacks

So you get payback in 1.5 years and expect to keep saving for quite a few years beyond that.

FORBES: LED Light Bulbs Mature At Last

I'm actually an emergency medicine resident at a busy urban ER and we've been dealing with MRSA for quite a few years.

NPR: Tracking a New Strain of Drug-Resistant Staph