a curl of the lip的用法和样例：
- She answered with no more than a curl of the lips, "Even so, you must take your time. Think you're made of steel?
- Her scorn is shown by the curl of the lips.
- "Bah!" he sneered with a curl of his lip.
- "Bah!"He sneered with a curl of his lips.
- A curl of smoke rose from her cigarette.