春chūn

springtime; joyful, lustful, wanton. 9 strokes, radical 日, first met in HSK 2.

Pinyin chūnStrokes 9Radical 日Band HSK 2Words 4

What 春 is made of

日 (rì, sun).

Sun.

Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.

春(chūn)天(tiān)	spring (season) 一年当中万物复苏、天气转暖的季节春天的微风轻轻吹拂着江面。In spring, a gentle breeze brushed lightly over the river. Lesson 11, 过春节 · 畅行通衢与街市商旅 · Urban Commerce, Transit & Cityscape
春(Chūn)节(jié)	Lunar New Year 农历新年，是一年中最重要的传统节日春节假期市民乘船出游。During Lunar New Year, residents took to boats for an outing. Lesson 11, 过春节 · 畅行通衢与街市商旅 · Urban Commerce, Transit & Cityscape
春(chūn)季(jì)	springtime 一年四季中气候转暖的季节春季的清晨总是格外清新。Mornings in spring always feel especially fresh. Lesson 258, 锦衣华服与春序晨光 · 匠心营造与自然物候 · Artisanal Craftsmanship & Natural Rhythms
青(qīng)春(chūn)	youth 指人生中年轻、充满活力的阶段大家在奋斗中挥洒火热青春。Everyone poured their fiery youth into the struggle. Lesson 325, 青春筑基与实业扬帆 · 宏图展卷与韶华筑基 · Harbor Reunions, Energy Highways & Corporate Frontiers

All 30 of them, and what the radical means, on the 日 radical page.