【形式ばった表現】 sink [be steeped] in vice.
読み方 そまる
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(=悪風などに染まる)to be stained (with vice) ; to be tainted (with vice) ; to be infected (with vice) ; to be steeped (in vice) ; to fall (into evil ways)
fabric dyed according to the 'akebonozome' method
the act of dyeing something a dark color
けがれに染まる
something which has been dyed completely
the action of dyeing something with the color indigo blue