墙壁上有一个空隙。
qiángbìshàng yǒu yígè kòngxì 。
There is a gap in the wall.
他在忙碌中寻找一些空隙休息。
tāzài mánglù zhōng xúnzhǎo yīxiē kòngxì xiūxī 。
He is looking for a break in his busy schedule.
这些书之间有一些空隙。
zhèixiē shū zhījiān yǒu yīxiē kòngxì 。
There are some gaps between these books.