4PHRASE [V and Ns inflect]让…笑容顿失;使…兴致全无;使…丧失优势 If you say that something wipes the smile off someone's face, you mean that it suddenly spoils their enjoyment or removes an advantage that they had and that you are pleased about it. 让…笑容顿失;使…兴致全无;使…丧失优势 [informal]
Tony Holmes wiped the smile off the faces of his rivals with a solo 30-second win.
托尼·福尔摩斯以30秒的领先优势获得了这一赛段的个人胜利,使对手再也笑不起来。
5 to wipe the floor with someone→see: floor to wipe the slate clean→see: slate