simper

1. V-I When someone simpers, they smile in a rather silly way. 傻笑

The maid lowered her chin and simpered. 侍女低头傻笑了一下。

2. N-COUNT Simper is also a noun. 傻笑

"Thank you doctor," said the nurse with a simper. “谢谢你，医生，”护士傻笑着说。