What does "bone up" mean?

To study intensively To review or learn something thoroughly, often quickly.

How do you use "bone up" in a sentence?

I need to bone up on my history. She boned up for the interview. Time to bone up on the rules.

Phrasal Verb AmericanAustralian ★★★☆☆ Moderate Casual

Meaning: To study intensively

集中学习、恶补

Estudiar a fondo, empaparse

集中的に勉強する

집중적으로 공부하다

To review or learn something thoroughly, often quickly.

彻底复习或学习某事，通常是快速进行的。

Repasar o aprender algo a fondo, a menudo rápidamente.

何かを徹底的に、しばしば短時間で復習または学習すること。

무언가를 철저히, 종종 빠르게 복습하거나 배우다.

Base verb: bone

Particle: up

Separable: No — the verb and particle stay together

I need to bone up on my history.
歴史を集中的に勉強しなきゃ。
Necesito estudiar a fondo historia.
歴史を集中的に勉強しなきゃ。
역사를 집중적으로 공부해야 해.
She boned up for the interview.
她为面试做了集中准备。
Estudió a fondo para la entrevista.
彼女は面接のために猛勉強した。
그녀는 면접을 위해 열심히 공부했다.
Time to bone up on the rules.
该恶补一下规则了。
Es hora de empaparse de las normas.
ルールを集中的に学ぶ時間だ。
규칙을 집중적으로 공부할 시간이다.

Context: studying, preparation

Tone: determined

Possibly from using bone as slang for studying.

Era: Modern

Generation: All ages

Social background: Universal