5.bow out 由……退出，从容引退；不反悔(bow out of)

1）to stop taking part in an activity, job etc, especially one that you have been doing for a long time

e.g. Reeves thinks it is time for him to bow out of politics.里夫斯觉得是时候告别政治舞台了。

2）to not do something that you have promised or agreed to do [= get out of]

e.g. You're not trying to bow out of this, are you?你不会说话不算话吧，啊？

不错的分享！