手た綱づなを締しめる

expression, ichidan verb

tighten the reins; bring under control

Idiomatic expression. Literally means to pull the reins of a horse, but often used figuratively to mean taking firm control of a situation or person.

• プロジェクトの遅おくれが目め立だってきたので、マネージャーは手た綱づなを締しめることにした。

  As the project delays became noticeable, the manager decided to tighten the reins.

• 親おやは子こ供どもの生せい活かつ態たい度どに手た綱づなを締しめる必ひつ要ようがある。

  Parents need to bring their children's behavior under control.