叩たたき直なおす

godan verb (-su), transitive verb

beat back into shape; hammer back into form

Literal physical sense: to reshape a bent or deformed object by striking it repeatedly.

• 曲まがった釘くぎを金かな槌づちで叩たたき直なおす。

  I hammer the bent nail back into shape.

godan verb (-su), transitive verb

straighten out; correct by discipline; reform

Figurative use: to correct a person's bad habits, attitude, or character through strict training, scolding, or discipline.

• 新しん入にゅう社しゃ員いんの怠たい惰だな態たい度どを先せん輩ぱいが叩たたき直なおした。

  The senior colleague straightened out the new employee's lazy attitude.

• 悪わるい癖くせは早はやいうちに叩たたき直なおさないと直なおらない。

  Bad habits won't be fixed unless you correct them early on.