Smileless
a. 不笑的, 严肃的
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
Burn not your house to rid it of the mouse.
投鼠忌器。
We'd like a chance to bid on this business.
我们希望能有机会投标这笔生意。