若作 わかづく
wakazukuri

Noun
na-Adjective
no-Adjective

1. dressing oneself up to look young; altering one's appearance to look young; dressing younger than one's age

かれ ねん わりには若作 わかずくりだ。
karewa toshino wariniwa wakazukurida.
He looks young for his age.