What does "rein in" mean?

To control or limit something To bring something under tighter control.

How do you use "rein in" in a sentence?

The government needs to rein in spending. She had to rein in her temper. They reined in their ambitions.

Phrasal Verb BritishAmericanAustralian ★★★☆☆ Moderate slightly formal

Meaning: To control or limit something

控制，约束

Frenar, contener, controlar

抑制する、制御する

억제하다, 통제하다

To bring something under tighter control.

将某事物置于更严格的控制之下。源自拉紧马缰绳的意象，表示抑制过度行为。

Poner algo bajo un control más estricto. Proviene de la imagen de tirar de las riendas de un caballo para controlarlo.

何かをより厳しく管理下に置くこと。馬の手綱を引くイメージから、行き過ぎを抑える意味で使われる。

무언가를 더 엄격하게 통제하다.

Base verb: rein

Particle: in

Separable: Yes — the object can go between the verb and particle

The government needs to rein in spending.
政府需要控制支出
El gobierno necesita frenar el gasto
政府は支出を抑制する必要がある
정부는 지출을 억제할 필요가 있다.
She had to rein in her temper.
她不得不控制自己的脾气
Tuvo que contener su temperamento
彼女は怒りを抑えなければならなかった
그녀는 화를 억눌러야 했다.
They reined in their ambitions.
他们收敛了自己的野心
Frenaron sus ambiciones
彼らは野心を抑えた
그들은 야망을 억제했다.

Context: control, limits

Tone: restrained

From using reins to control a horse.

Era: Modern

Generation: All ages

Social background: Universal