微wēi

small, tiny, trifling; micro-. 13 strokes, radical 彳, first met in HSK 4.

Pinyin wēiStrokes 13Radical 彳Band HSK 4Words 5

What 微 is made of

彳 (chì, to step with the left foot), 山 (shān, mountain), 兀 (wù, weak) and 攵 (pū, to rap).

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

微(wēi)笑(xiào)	a smile, to smile gently 轻轻地、温和地笑一下服务员始终带着微笑接待旅客。The attendant welcomed passengers with a gentle smile the whole time. Lesson 346, 关山行旅与细致维保 · 关山行旅与万网互通 · Alpine Wayfaring, Global Connectivity & Prudent Living
微(wēi)信(xìn)	WeChat 一款常用的手机聊天软件他们通过微信群提醒顾客注意安全。They used a WeChat group to remind customers to stay safe. Lesson 349, 灵动营销与防患未然 · 关山行旅与万网互通 · Alpine Wayfaring, Global Connectivity & Prudent Living
稍(shāo)微(wēi)	slightly, a bit 表示程度轻微、数量不多志愿者稍微修剪了灌木。The volunteers trimmed the shrubs a little. Lesson 478, 睦邻温情 · 笃行守正与工巧化境 · Principled Action & Masterful Arts
微(wēi)博(bó)	Weibo (microblog) 指用于发布简短信息的社交平台官方微博及时通报动态。The official Weibo promptly reported the update. Lesson 495, 严规肃纪 · 笃守圭臬与温润崇德 · Principled Duty & Cultivated Warmth
微(wēi)波(bō)炉(lú)	microwave oven 指用电磁波加热食物的炉子他把微波炉和维生素摆在货架上。He put the microwave and the vitamins on the shelf. Lesson 658, 长街新貌 · 笃志博雅与通达四海 · Scholarly Diligence & Global Connections

All 13 of them, and what the radical means, on the 彳 radical page.