草木人

cǎomùrén ㄘㄠˇ ㄇㄨˋ ㄖㄣˊ

    • ordinary person of humble standing
    • commoner

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
a grass-and-tree person
Meaning
An ordinary person of humble standing. People also use it modestly of themselves; it is dated and bookish.

Sources