13 strokes
感嘆
kantan
admiration, exclamation
嘆く
nageku
to grieve, to lament
驚嘆
kyoutan
wonder, astonishment
Study kanji on LenGaki

Get the Android app
The app adds offline study, home-screen widgets, stroke-order tracing, speaking practice with pronunciation scoring, and an AI tutor that answers questions in context — none of which fits in a browser tab.