三顾茅庐

sāngù-máolú

[repeatedly request somebody to take up a responsible post; call on a famous scholar repeadedly to solicit his help; make three calls at a thatshed cottage and request the owner to take up a responsible post] 东汉末, 刘备三次往隆中(山名, 在今湖北襄阳)聘请隐居于草庐的诸葛亮出来帮助打天下。 后用来指诚心诚意再三邀请或访问