n.nervous tension that causes an athlete to fail (especially causes golfers to miss short putts)
"to avoid the yips he changed his style of putting"
英汉双解大词典
yips/jɪps/
1.
N-PLURAL（复数型名词）
(in sport, originally esp golf) nervous twitching or tension that destroys concentration and spoils performance (运动中，尤指打高尔夫时导致失误的)紧张状态或细微颤动 [非正式]