a forgivable mistake的用法和样例：
- Whether the alleged new crater is a forgivable mistake, a shameful fault or actually existing there has become the focus among the netizens.
- The rival's arrival gives him a forgivable chance.
- Why should we cultivate a forgiving spirit?
- If you never made a mistake, How would you know that I am a forgiver?
- A mistake now would be fatal to our success.