1. sprint
冲刺
The runner sprinted to the end .
2. scribble
潦草，乱涂乱画
The child's drawing is also a scribble.
3.nimbly
敏捷地，机智地
The rabbit alerted nimbly when it heard some voice.
4.slyly
狡猾地
"Do you have a secret?"he said slyly and smiled.
5.thudding
砰砰地跳
After running, my heart thudding madly.
