a disdainful look的用法和样例：
- She made a point of giving a disdainful look to every soldier she met, and crossed to the other side of the street in as insulting a manner as possible, though, she said, this was quite inconvenient in wet weather.
- He looked at the leader with a disdainful smile.
- [Informal] a disdainful look; a cold shoulder
- The lady dismissed her maid with a disdainful nod.
- Hsin-mei gave a disdainful snort.