訓 いりえ ・ 音 ワン
Sino-Vietnamese: loan
Water (氵) plus 弯, curved like a bow (弓): water held inside a curving coastline is a bay, as in Taiwan (台湾).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
湾内の水はとても静かです。 (わんないのみずはとてもしずかです)
The water inside the bay is very calm.