sit in on

中上級 (B2) neutral

to be there and watch without really joining in

"The new manager sat in on the training session to see how it worked."

関連フレーズ

sit about sit around sit back sit by sit down sit for sit in sit in for

"in on" を含むフレーズ

bear in on close in on crowd in on get in on go in on key in on laser in on let in on
すべてのフレーズを見る →