后首

tā yǒu gè kǒu wù kě hòu shǒu lì mǎ jiù gǎi zhèng le

他有个口误，可后首立马就改正了。

He made a slip of the tongue, but corrected it immediately.

wǒ dàng shí méi yǒu tīng dǒng hòu shǒu yī xiǎng cái míng bai

我当时没有听懂，后首一想才明白。

I didn't understand at the moment, but I figured it out later after thinking it over.

yī kāi shǐ méi rén gēn tā shuō dàn hòu shǒu tā zhī dào le zhè jiàn shì

一开始没人跟她说，但后首她知道了这件事。

No one told her at first, but she knew it later.

hòu shǒu de wèi zi

后首的位子

back seat

hòu shǒu de fáng zi

后首的房子

back house