a simpering waiter面带假笑的侍应生
V-I(不及物动词) 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。
N-COUNT(可数名词) 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。