a louche gentleman的用法和样例：
- To most people that just sounds like a louche accountant.
- David Schwimmer, who starred as hapless lover Ross in the TV hit" Friends," will play a louche lothario on the London stage next month.
- He looked every inch a gentleman.
- He is a chivalrous old gentleman.
- He's a crusty old gentleman who feeds stray dogs and cats.