The moment when we were about to take off,it was raining cats and dogs,so we had to x out the plan of the picnic.
正当我们准备启程的时候，天空下着滂沱大雨，因此我们必须取消郊游的计划了。
X out 划掉，删去 X in 选入，包括
Wing it
She hadn't studied for the exam,so she decided to wing it.
她平时不努力准备考试,所以只能临时抱佛脚了。
wing it不按剧本表演、即兴表演、临时应付
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