keep doing sth 继续做某事；
例句Did he give up or keep on trying?他是放弃了，还是在继续努力？
She hasn\'t been keeping too well lately.
她最近身体一直不太好。
She forced herself to keep going.
她强迫自己坚持下去。
I\'m very sorry to keep you waiting.
对不起，让你久等了。
You just have to keep yourself busy and keep going.
你只要让自己忙起来，就能坚持下去。
