up to something

Từ điển Oxford Advanced Learner 8th

up to sth idiom
1. as far as a particular number, level, etc
• I can take up to four people (= but no more than four) in my car.
• The temperature went up to 35°C.
2. (also up until sth)not further or later than sth; until sth
• Read up to page 100.
• Up to now he's been very quiet.
3. as high or as good as sth
• Her latest book isn't up to her usual standard.
4. (also up to doing sth)physically or mentally capable of sth
• He's not up to the job.
•I don't feel up to going to work today.
5. (informal)doing sth, especially sth bad
• What's she up to?
• What've you been up to?
•I'm sure he's up to no good (= doing sth bad).
Main entry: ↑up_idiom