bottom / base / background / foundation / copy (of a manuscript or receipt etc) kept as a record / (suffix) end of a year or month / (math.) radix / base (abbr. for 底數|底数[di3shu4])
seat / base / stand / (bound form) constellation / (archaic) suffix used in a respectful form of address (e.g. 師座|师座[shi1zuo4]) / classifier for large immovable objects such as buildings, mountains, bridges etc
(bound form) base / foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
bridgehead (military) / stronghold serving as a base for advancing further into enemy territory / bridge tower (ornamental structure at either end of a bridge) / (fig.) gateway (place that provides access to other places beyond it) / bridgehead (key location serving as a base for further expansion)
jade tablet, square at the base and rounded or pointed at the top, held by the nobility at ceremonies / sundial / (ancient unit of volume) a tiny amount / a smidgen / a speck
刨根问底
páo gēn wèn dǐ
to dig up roots and inquire at the base (idiom) / to get to the bottom of sth
点石成金
diǎn shí chéng jīn
to touch base matter and turn it to gold (idiom) / fig. to turn crude writing into a literary gem
追根问底
zhuī gēn wèn dǐ
lit. to examine roots and inquire at the base (idiom) / to get to the bottom of sth
盘根问底
pán gēn wèn dǐ
lit. to examine roots and inquire at the base (idiom) / to get to the bottom of sth
盘根究底
pán gēn jiū dǐ
lit. to examine roots and inquire at the base (idiom) / to get to the bottom of sth
询根问底
xún gēn wèn dǐ
lit. to examine roots and inquire at the base (idiom) / to get to the bottom of sth
点金成铁
diǎn jīn chéng tiě
to transform gold into base metal (idiom) / fig. to edit sb else's beautiful prose and ruin it
点铁成金
diǎn tiě chéng jīn
to touch base matter and turn it to gold (idiom) / fig. to turn crude writing into a literary gem