迅

迅速 xùnsù HSK 4 #3,990

rapid; speedy; swift

迅猛 xùnměng #21,334

rapid and fierce / swift and violent / fast and powerful

速 sù #3,885

fast; rapid; quick / speed; velocity

快速 kuàisù HSK 3 #3,248

fast; rapid / high-speed; quick

很快 hěnkuài #814

very fast / quickly / soon

快 kuài HSK 1 #77

fast / quick / soon / happy

咻 xiū #7,729

whoosh; swoosh (sound of something moving fast) / whizzing sound

快快 kuàikuài #7,380

quickly; hurry up / as fast as possible

奔 bēn HSK 7 #8,229

to rush; to hurry; to run fast / to head for; to go straight towards

光速 guāngsù #8,285

speed of light / (slang) extremely fast