I have kept my end of the bargain.

我已履行了我方的协议条件。

《牛津词典》

I'm sorry to have kept you waiting.

对不起，让你久等了。

《牛津词典》

I have kept birds for some 30 years.

我养鸟大约有三十年了。

《柯林斯英汉双解大词典》

"I have kept my mom off of Facebook. She wants one, I said 'No,you can't have one.'

VOA: special.2009.09.14

..I have kept hidden in the instep arch Of an old cedar at the waterside A broken drinking goblet like the Grail Under a spell so the wrong ones can't find it, So can't get saved as Saint Mark says they mustn't.

我还保存着一只坏了的高脚酒杯,埋在水边的一棵老树底下,像受了符咒的圣杯,使坏人找不到，如圣马可所说：他们因此不能得救。

耶鲁公开课 - 现代诗歌课程节选

I should have kept it with me the whole night.

我真应该整晚都随身带着。

Where 实战 - SpeakingMax英语口语达人

Weak financial markets and continued poor performance from the unit have kept that initiative in limbo.

FORBES: Motorola Reorganizes Unit Before Earnings

Coastwatch volunteers have kept lookout over the dangerous waters around Portland Bill for 15 years.

BBC: Coastwatch installs CCTV on Portland Bill lighthouse

Goalkeeper Alexander was delighted to have kept a clean sheet on his European debut.

BBC: Smith confident of Gers progress