scornfully

"You really think you can beat me?" he laughed scornfully as he picked up his tennis racket.

(Chinese) “你真的以为你能赢我？”他拿起网球拍，鄙夷地笑了起来。

The manager dismissed the employee's complaints scornfully, telling him to stop whining.

(Chinese) 经理鄙夷地驳回了员工的投诉，告诉他不要再抱怨了。