Unlawful alteration of the surface or seam of a ball on the field, to affect its motion when bowled.
〔板球〕偷动球体（赛场上非法破坏球表面或缝线以影响其受击后运动）
Example sentencesExamples
Nobody has quite mastered reverse swing as well as he has, although his methods sometimes stray beyond legitimacy: he was given a one-match suspension for ball-tampering in 2000.
Last season, he was reprimanded and received three penalty points for ball-tampering during the match against Warwickshire at Horsham.
In 2003, he was banned for ball-tampering and using offensive language.
He showed the umpire the ball, careful not to incur a ball-tampering penalty.
The referee charged him under clause 2.10 of the code of conduct, which deals specifically with ball-tampering.