半空

liǔ xù zài bàn kōng zhōng piāo dàng

柳絮在半空中飘荡。

Willow catkins are flying in the air.

fēi jī zài bàn kōng xù jiā le rán yóu

飞机在半空续加了燃油。

The planes were refuelled in midair.

bàn kōng zhe dù zi

半空着肚子

half-empty stomach

bàn kōng de píng zi

半空的瓶子

half empty bottle

huì chǎng shì bàn kōng de

会场是半空的。

The halls were half-empty.