Meaning/意味
one’s own convenience; one’s way; selfishness,without ○○’s permission
勝手な is adjective 勝手に is adverb
How to make/作り方
勝手に+ sentence
example sentences/例文 (audio/音声付き)
この国の人たちは勝手すぎます。
kono kuni no hitotachi wa katte sugimasu.
The people in this coruntry are too selfish.
家の中に勝手に入ってはいけません。
Ie no naka ni katte ni haitte wa ikemasen.
You can’t just go around entering house.
勝手にケーキを食べないで 。
katte ni cake wo tabenaide
Do not eat the cake without my permission.
Keep up with your studies!