kòngxì

crack / gap between two objects / gap in time between two events

xì

crack / crevice / gap or interval / loophole / discord / rift

lièxì

gap / slit / crack / crevice / fracture

fèngxì

small crack / chink

xiàxì

gap / crack / rift

qiāngxì

lacuna / gap

guānxìnsìxì

lit. to look for holes, and observe gaps (idiom); to search out one's opponent's weak points / to look for the Achilles heel

jiànxì

interval / gap / clearance

qìxì

air vent / air gap

xìfèng

aperture