smirk

1. V-I If you smirk, you smile in an unpleasant way, often because you believe that you have gained an advantage over someone else or know something that they do not know. 幸災樂禍地笑; 自鳴得意地笑

Two men standing nearby looked at me, nudged each other and smirked. 站在旁邊的兩個男人看著我，互相用胳膊肘輕碰對方，幸災樂禍地笑著。