彻夜

Traditional form:

徹夜

Pinyin (reading):

chèyè

Definitions:

• the whole night

Characters:

• 彻 - penetrating, pervasive; to penetrate, to pass through
• 夜 - night, dark; under cover of night

Traditional characters:

• 徹 - penetrating, pervasive; to penetrate, to pass through
• 夜 - night, dark; under cover of night