訓 あきらか ・ 音 リョウ 🔊
Sino-Vietnamese: liệu
The eye radical 目 with 尞 giving the sound (as in 療, 僚): seen clearly by the eye, clear.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
答えは一目瞭然だ。 (こたえはいちもくりょうぜんだ)
The answer is obvious at a glance.