訓 い(きる),い(かす),い(ける) ・ 音 カツ
漢越音: hoạt
Water 氵 gives the meaning and the right part the sound: where there is water there is lively life, so it means alive or active (Han Viet hoat, as in hoat dong = activity).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
東京の生活にもう慣れました。 (とうきょうのせいかつにもうなれました)
I have already got used to life in Tokyo.