v stain by smearing or daubing with a dirty substance
v make a smudge on; soil by smudging
v cover (a surface) by smearing (a substance) over it
v charge falsely or with malicious intent; attack the good name and reputation of someone
v. 弄脏; 玷污; 涂抹; 擦上
a. 弄脏的; 污迹斑斑的