out of bounds

英文解釋：

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

中英例句：

1. A serve or return that falls out of bounds in a court game.
   界外球網球比賽中落進球場外的發球或回球
2. The local bars had been placed out of bounds to troops.
   當地的酒吧都已被列為禁止軍人進入的場所。
3. The town's pubs and bars are out of bounds to troops.
   軍人不得進入城裡的酒館和酒吧。