that's a likely story 听起来像真的一样；真会编故事

【例句】
He said he had to stay late at the office again. That's a likely story—he's probably out with his friends!
他说他又得在办公室待到很晚。这是个很有可能的故事，他可能和他的朋友出去了！

The cat ate your science project? That's a likely story.
猫吃了你的科学项目？真会编故事。