in-off
/ˈɪnɒf/noun
- Billiards & Snooker the pocketing of the cue ball (a scoring stroke in billiards, a foul in snooker) by bouncing it off another ball【台球, 斯诺克】（撞击其他球后）母球入袋（台球中为得分球, 斯诺克中为犯规球）：
he attempted a very difficult in-off
他试了一杆高难度的母球撞击入袋
as adv. going in-off on the penultimate red.母球撞击了倒数第二个红球后入袋。