a shady-looking man的用法和样例：
- Two shady looking men loiter near the path,trying and failing to appear innocent.
- A shady public walk or promenade.
- He found a shady place where he could eat his lunch.
- Never have I seen such a strange looking man.
- At noon we stopped and found a shady place under some pine trees.
- After a while, we find a shady place under some poplar trees.