He had been confined to a wheelchair since childhood.

他从孩童时起就被困在轮椅上了。

《柯林斯英汉双解大词典》

He's been confined to a wheelchair since the accident.

他从车祸以后就离不开轮椅了。

《牛津词典》

He has been confined to bed with flu for the past couple of days.

他因患流感，已经几天未下床了。

《牛津词典》

It says the Liberation Tigers of Tamil Eelam (LTTE) have lost many senior leaders and are now confined in a 20 square kilometer safety zone that has been designated by the government for civilians seeking sanctuary from the fighting.

VOA: standard.2009.04.06

The period debate hasn't been confined to the upper echelons of the Obama campaign.

WSJ: Punctuation Nerds Stopped

High prices for beach-front property have not just been confined to Wales - or even huts.

BBC: The plot which is up for sale

Criticism about the war, which had been confined to college campuses, started to spread into middle-class, suburban homes.

CNN: Commentary: Investigate Wall Street