What does "buckle down" mean?

To start working hard and seriously To focus and apply yourself to a task.

How do you use "buckle down" in a sentence?

Time to buckle down and study. She buckled down after the warning. We need to buckle down.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To start working hard and seriously

认真开始工作，集中精力

Ponerse a trabajar en serio

本気で取り組む、気を引き締める

본격적으로 열심히 하다

To focus and apply yourself to a task.

集中注意力，专心致志地完成任务。与"knuckle down"意思相同。

Concentrarse y aplicarse a una tarea. Sinónimo de "knuckle down".

集中してタスクに真剣に取り組む。「knuckle down」と同じ意味。

집중하여 과제에 전념하다.

Base verb: buckle

Particle: down

Separable: No — the verb and particle stay together

Time to buckle down and study.
是时候认真学习了
Es hora de ponerse a estudiar en serio
本気で勉強する時だ
이제 본격적으로 공부할 때다.
She buckled down after the warning.
警告后她开始认真了
Se puso las pilas después del aviso
警告を受けて彼女は気を引き締めた
경고를 받고 그녀는 마음을 다잡았다.
We need to buckle down.
我们需要全力以赴
Tenemos que ponernos en serio
本腰を入れないと
본격적으로 해야 한다.

Context: focus, determination

Tone: serious

From securing a buckle to prepare for work.

Era: Modern

Generation: All ages

Social background: Universal