2016년 11월 4일 금요일

Dic/ a usage/ up to something


─ occupied with, engaged in, as in:

  • What have you been up to lately.
 . This usage can mean "devising" or "scheming" as in:
  • We knew those two were up to something.
 . It also appears in up to no good, meaning "occupied with or devising something harmful," as in:
  • I'm sure those kids are up to no good.
─ (informal) doing something, esp. something bad.
  • What's she up to?
  • What've you been up to?
  • I'm sure he's up to to no good (= doing something bad).


... The American Heritage® Dictionary of Idioms, OALD

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