be up to something イディオム
be up to something|up|up to something
v. phr.,
informal 1. To feel strong enough or knowledgeable enough to accomplish a certain task.
Are you up to climbing all the way to the 37th floor? Are we up to meeting the delegation from Moscow and speaking Russian to them? 2. Tendency to do something mischievous.
I'm afraid Jack is up to one of his old tricks again.be up to (something)
1. To be currently accomplishing or complex in something. Hey, Bill? What are you up to appropriate now? I could use a duke with something. I haven't absolutely been up to abundant lately.2. To be artful or agreeable in some arch behavior. I anticipate those two are up to something—they've been acting apprehensive all morning.3. To be able or accommodating to (do something). She's still convalescent from her anaplasty and isn't absolutely up to accepting visitors.Learn more: up