刷夜

Traditional form:

刷夜

Pinyin (reading):

shuāyè

Definitions:

• to stay up all night; to pull an all-nighter

Characters:

• 刷 - brush; to clean, to scrub
• 夜 - night, dark; under cover of night

Traditional characters:

• 刷 - brush; to clean, to scrub
• 夜 - night, dark; under cover of night