noun, noun or participle which takes 'suru'
with hands in pockets; idling
Literally describes having one's hands tucked inside the front of a kimono or coat, often implying idleness or doing nothing. Can be used figuratively for loafing around.
寒いので、彼は懐手をして立っていた。
Because it was cold, he stood with his hands in his pockets.
仕事中
If you stand around with your hands in your pockets during work, the boss will get angry.