薄ぎたない

(1)thickly covered with ingrained dirt or soot; "a miner's begrimed face"; "dingy linen"; "grimy hands"; "grubby little fingers"; "a grungy kitchen"

(2)染みついたほこりまたはすすで厚く覆われた

(3)vile; despicable; "a dirty (or lousy) trick"; "a filthy traitor"

(4)不潔な

(5)卑劣な

(1)a dirty (or lousy) trick

(2)汚い（あるいはひどい）策略

(3)a filthy traitor

(4)不潔な反逆者