緊しめる

ichidan verb, transitive verb

be strict with; discipline; tighten up on

Used for being strict or firm with people, especially in a disciplinary or supervisory context. Often appears as 緊めてかかる or 緊めていく.

See also: 締める (しめる)

• 新しん入にゅう社しゃ員いんには最さい初しょから緊しめてかからないと、すぐにだらけてしまう。

  You have to be strict with new employees from the start, or they'll quickly slack off.