be up to
用"be up to"造句
- The children are up to some mischief , i will be bound !
- The children are up to mischief .
- An indian or a chinese meal ? it is up to you .
- We are up to the elbows in work .
- Whether you go or not is up to you .
- The product is up to standard .
- Who could tell what devilry the ingenious americans were up to ?
- This may be up to 50km thick and comprises ultrabasic peridotite .
- Half my money 's gone -- you have been up to your tricks again , have not you ?
- Just lately i've been up to my ears. you've no idea how much work there is .