keep oneself to oneself

(chiefly UK) To be introverted; to stay away from others.

Japanese Meaning

内向的である / 人と距離を置く / 自己完結的である

Since moving to the new town, he tends to keep himself to himself and rarely joins neighborhood events.

新しい町に引っ越してから、彼は内向的になりがちで、近所のイベントにはめったに参加しません。

Sense（1）

(chiefly UK) To be introverted; to stay away from others.

keeps oneself to oneself

（ present singular third-person ）

keeping oneself to oneself

（ participle present ）

kept oneself to oneself

（ participle past ）

kept oneself to oneself

（ past ）