unmask
v
1 [I, Tn]remove a mask from (sb) 除去(某人)的面具
The revellersunmasked (ie took off their masks) at midnight. 狂欢的人在午夜摘下了面具.
2 [Tn] reveal the true character of (sb/sth); expose 使(某人[某事物])露出真相; 揭露; 暴露
unmask the culprit 揭露罪犯的真面目 * unmask a plot 揭露阴谋.