T-18：turn a blind eye to 装作没看见
A:I was confused.
A:我真有点不明白。
B:What's the matter?
B:出什么事啦？
A:Did you notice Sam turned a blind eye to Mary last night? But I saw them having lunch together.
A:昨天晚上你注意了没有？萨姆装作没看见玛丽，但中午我还看见他们俩一起吃的午饭。
B:No, I didn't. Why did he do that?
B:我没有注意到，他为什么这么做呢？
