0 the action of changing the condition of a cricket ball, for example by scratching it, so that it moves differently through the air. This is not allowed by the rules of cricket. -- (违规)改变板球球况
Despite the accusations of ball-tampering, it's been a superb tour.
Like match-fixing, ball-tampering has long been a source of gossip and whispering campaigns.
The ball-tampering allegations against him were never substantiated.