a crafty politician的用法和样例：
- This was a crafty manoeuvre to outwit his pursuers.
- The plausible talk of a crafty salesperson.
- A crafty, sly, or clever person.
- He was an accomplished politician and a crafty autocrat.
- This was a crafty manoeuvreto outwit his pursuers.
- A crafty stratagem;a subterfuge.