lit. to examine roots and inquire at the base (idiom); to get to the bottom of sth
trad. 盤根究底
Also written 盤根究底【pán gēn jiū dǐ】
lit. to examine roots and inquire at the base (idiom); to get to the bottom of sth
trad. 盤根究底
Also written 盤根究底【pán gēn jiū dǐ】