屡
repeatedly
屡次
frequently; repeatedly; thrice
屡次的
repeated
屡次三番
again and again; many times
屡犯错误的人
goof-off
屡见不鲜
common occurence
屡教不改
refuse to mend one's ways despite of repeated admonition
屡教不改犯
inveteerate criminal; refractory prisoner
屡试不爽
time-tested