What does the kanji 徹 mean?

徹 means penetrate, clear, pierce, strike home, sit up (all night).

徹

徹 (penetrate, clear, pierce, strike home, sit up (all night))

徹夜てつやで勉強べんきょうした。

I was up all night studying.

私わたしは徹夜てつやしました。

I stayed up all night.

夜よるを徹てっするか否いなか。

To work all night, or not.

Sale

Every mock test, practice test and reading passage, N5 to N1, and unlimited voice lessons.

$5 a month, or $30 once for lifetime$60 from 1 November

New

Full exams from past papers, section by section on the real exam clock, with the original listening audio. Mock test 1 is free at every level.