When you try talking about something that tells them that they're going to be caught if they keep talking about it, they'll smoothly just ignore that topic and move on, showing lack of interest in it.
要是你俩在谈的话题接着谈下去会牵出他的什么秘密来，那么他一定会表现出不感兴趣并且无缝切换到下一个话题。
Feeling or showing a lack of interest or concern; indifferent.
缺乏兴趣的，漠然的：感到或表示出缺乏兴趣或关心的；冷漠的。
Feeling or showing a lack of interest or concern; indifferent.
缺乏兴趣的，漠然的：感到或表示出缺乏兴趣或关心的；冷漠的。
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