up to
adverb
■used to say that something is less than or equal to but not more than a stated value, number or level 接近于；至多•Up to two hundred people were on board the ship.有将近200人搭乘了这艘船。 •We can teach dancers up to intermediate level here.我们这儿最高可以把舞蹈学员教到中级水准。
preposition
UNTIL 直到 (also up until)
■until 直到•Up to yesterday, we had no idea where the child was.直到昨天我们还不知道孩子的下落。
preposition
RESPONSIBILITY 责任
be up to sb
■to be the responsibility of someone 是（某人）的职责•It's up to the manager to make the final decision.这要由经理最后拍板。
preposition
DOING 做
be up to sth informal
■to be doing something, often something bad or illegal, usually secretly （通常指偷偷地）正在做（常指坏事或不法之事）•She's up to no good (= doing something bad or forbidden) - you can always tell because she stays in her room.她没干甚么好事——你总会看出来的，因为她老呆在房间里。 •He looks very suspicious hanging around by the bins - I'm sure he's up to something.他老在垃圾箱周围徘徊，看上去很可疑——我敢肯定他正在干甚么坏事。 |