write + begin doing
kaki hajimeru
begin doing
meaning: start writing
甥っ子、もう歩き始めたんだって。
oikko, mou arukihajimeta n datte.
I hear my little nephew has already started walking. casual
今月から日本語を習いはじめる。
kongetsu kara nihongo o narai hajimeru.
I start learning Japanese this month. neutral