长时间地思考，多用于棋牌类比赛，偶尔也用于其它方面to ponder for a long time

• 她在长考时表现出来的定力令人惊讶。

  Her staying power while in deep contemplation was surprising.

• 孔杰陷入长考,一直到中午12点的午休封盘时间也没有再下棋。

  Kong Jie slipped into deep thought and didn't move again before they took their lunch break at 12 o'clock.