速sù
prompt, quick, speedy. 10 strokes, radical 辶, first met in HSK 3.
How to write 速
Strokes 1–7 write 束, then strokes 8–10 write 辶.
Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.
Print a 米字格 practice sheet for 速 · the stroke-order rules
What 速 is made of
辶 (chuò, to walk) and 束 (shù, to bind).
辶 carries the meaning — walk — and 束 carries the sound.
Words that use 速
| 高速 | at a rapid, high speed 速度非常快，跟一般情况不一样 汽车在高速公路上飞快行驶。The car sped along the motorway at high speed. Lesson 156, 地理山川与长城 · 气候环境与地理风貌 · Climate, Environment & Regional Geography |
| 速度 | the speed something moves at 单位时间内移动的快慢程度 这辆车的速度快得惊人。the speed of this car is astonishingly fast. Lesson 157, 气象变化与实地考察 · 气候环境与地理风貌 · Climate, Environment & Regional Geography |
| 快速 | rapid 速度非常快，用时很短 无人机快速喷洒了营养液。The drone gave the crops a rapid spray of nutrients. Lesson 204, 春耕夏耘与克服艰辛 · 乡村农业与田园风光 · Rural Agriculture, Countryside Life & Harvest Seasons |
| 迅速 | swift, rapid 速度很快，没有耽误 考察队迅速出发前往山谷。The expedition team set off swiftly for the valley. Lesson 360, 岁序研索与博物清芳 · 研精励志与健步逐风 · Academic Strategy, Campus Craftsmanship & Sports Vigor |
| 加速 | to accelerate, speed up 指使速度变得更快 车辆在试车跑道上平稳加速。The vehicle smoothly accelerated on the test track. Lesson 438, 平稳驾驶 · 笃志筑业与工巧开新 · Steadfast Craftsmanship & Grand Architecture |
| 高速公路 | an expressway 让汽车快速行驶的宽阔大路 汽车行驶在高速公路上，速度很快。The car sped along the expressway, going very fast. Lesson 115, 旅途出发 · 壮丽自然与旅行见闻 · Magnificent Nature & Travel Exploration |
Characters that share the sound part 束
Written with the same phonetic, so their readings tend to rhyme with each other.
More characters with the radical 辶
All 43 of them, and what the radical means, on the 辶 radical page.