a morose scowl的用法和样例：
- Of or displaying a morose disposition.
- There is a morose old man lives in the ward No.8 alone.
- He stared down at his dinner plate in a morose and unsociable manner.
- There once was a morose melonhead, who sat there all day and wished he were dead.
- Our employer was a fierce-looking individual, and the customers were a morose lot, so that it was impossible to be gay.