空
HSK 4#1345 by frequencyradical 穴
vacant; unoccupied; space; leisure; free time; to empty
empty; air; sky; in vain
Examples
我有空。
这是空的。
Part of the HSK 4 word list.
Learn 空 the way it sticks: in sentences built from words you already know, scheduled so you review right before you'd forget.
Start your free weekDefinitions adapted from CC-CEDICT (CC BY-SA 4.0, modified). Example sentences from Tatoeba (CC BY 2.0 FR). Frequency ranks from the BCC corpus. Full credits on the Attributions page.