My little brother didn't go to bed until he finished doing his homework last night.

我的弟弟昨晚完成了作业才睡觉。

youdao

I finished doing my homework.

我做完家庭作业了。

youdao

My homework hasn't finished doing.

我的功课还没有做完。

youdao

At the moment the first plane hit, I had just finished doing a bit of color commentary on some eminently forgettable technology news for a Boston business station on AM radio.

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"The mothership is now completed, finished and flying and doing its testing, whilst the spaceship will be completed at the end of the year, " added Branson.

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He finished what he was doing.

NEWYORKER: Teaching