名詞 out of bounds:

1. a line that marks the side boundary of a playing field
   同義詞：sideline

形容詞 out of bounds:

1. outside the foul lines
   同義詞：out-of-bounds
2. barred to a designated group
   同義詞：off-limits, out-of-bounds

1. A serve or return that falls out of bounds in a court game.
   界外球網(wǎng)球比賽中落入球場外的發(fā)球或回球
2. The local bars had been placed out of bounds to troops.
   當?shù)氐木瓢啥家驯涣袨榻管娙诉M入的場所。
3. The town's pubs and bars are out of bounds to troops.
   軍人不得進入城里的酒館和酒吧。