a peace feeler的用法和样例：
- What bothered him was that Churchill might use the incident to pretend to Germany's allies that Hitler was extending a peace feeler.
- I bought her some flowers as a peace offering.
- They finally negotiated a peace treaty.
- Hopes of a peace settlement are now fading.
- It take at least two to make a peace, but one can make a war.
- The probability of a peace agreement being reached is zero.