飞行检查 Traditional 飛行檢查 fēi xíng jiǎn chá 🔊 unannounced inspection + Keep this word Meanings fēi xíng jiǎn chá 飛行檢查 unannounced inspection(sports) out-of-season drug testingabbr. to 飛檢|飞检[fei1 jian3] Its characters 飞fēito flyHSK 2行xíngto walk; to go; to travelHSK 3检jiǎnto check查cháto researchHSK 3