was up 有到了，结束了，起床的意思。
He was up too late and decided to sleep in the next morning.他睡得太迟了，因此决定第二天早晨多睡一会儿。
原型应该是be up吧，有很多意义，一般和介词连用。
He was up to his neck in debts then.他当时负债累累。
I didn't think her performance was up to par.我认为她表现得不及平时。
A rare collection of china will be up for sale next month.有一批珍贵的瓷器将于下月出售。
If you keep practicing like that you'll soon be up with me.如果你坚持那样练习，你很快就会赶上我的。
The prize was up for grabs to anyone under16 years of age.任何16岁以下的人都可以参加这场奖品的争夺。
She knew the children were up to mischief.她知道孩子们在做淘气的事情。
She could see that his blood was up, so she avoided a quarrel.她看得出他怒火中烧，所以避免和他争吵。
The harbor is being up with silt.那海港被淤泥阻塞了。
When the wheel came off the car I thought my number was up!汽车轮一脱落，我就想我算完了。
I can not go to the movie--I am up to my eyebrow.我不能去看电影，我很忙很忙。
She's not very ill; she'll soon be up and about again.她病得不太重，不久就能起床活动。
The little girl ran a temperature and had to be up to bed.那个小女孩发烧了，得让她上床躺着。
I was up late last night so I had a cat nap at my desk today.我昨夜很晚才睡，所以今天趴在桌子上偷偷打了个小盹儿。
All of the colonies are up in arms against him.所有的殖民地均奋起与他作斗争。
He was up to his elbows in soapsuds, washing his shirts.他洗衬衫时，连胳膊肘都弄上了肥皂泡沫。
All of the colonies were up in arms against him.所有的殖民地均奋起与他作斗争。
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