a)INCLUDEas much or as many as a certainamount or number but not more 〔數量或數目〕多達;至多
The Olympic Stadium will hold up to 80,000 spectators.
奧林匹克體育場將可容納多達八萬名觀衆。
a process that can take anything up to ten days
可能需要長達十天的一個過程
b)UNTIL (also up till) for the whole of a period until a certain time or date 直到〔某個時刻或日期〕
She continued to care for her father up to the time of his death.
她一直照顧父親直到他去世。
We’ve kept our meetings secret up to now.
直到現在我們的會議都是保密的。
c)GOOD ENOUGH[in questions and negatives]clever, good, or well enough to do something 勝任;有資格做;適於〔做某事〕
I’m afraid Tim just isn’t up to the job (=he does not have the necessary ability).
蒂姆怕是幹不了這份工作。
You don’t need to go back to school if you don’t feel up to it.
要是你覺得身體還不是很好的話,就不一定要回去上學。
up to doing something
He’s not really up to seeing any visitors.
他的身體狀況不太適合見客。
d)GOOD ENOUGHif something is up to a particular standard, it is good enough to reach that standard 達到某個標準
I didn’t think last night’s performance was up to her usual standard.
我覺得她昨晚的演出沒有達到她的正常水平。
e)DO spoken doing something secret or something that you should not be doing 正在做〔秘密或不該做的事〕
The children are very quiet. I wonder what they’re up to.
孩子們很安靜,我不知道他們在搞什麽鬼。
He knew Bailey was up to something. But what?
他知道貝利在偷偷地幹着什麽,可又是什麽呢?
I always suspected that he was up to no good (=doing something bad).
我一直懷疑他在幹什麽不好的勾當。
Examples from the Corpus
up to no good• I think Ken's up to no good.• They were organizing, they were.. up to no good.• When the political right starts appealing to liberty, it is frequently up to no good.