然而，如果开门的“咔哒”声是入室抢劫之类的不祥之兆，混音器可能会提高音量，提醒人们注意这个声音。

However, if the "click" of an opening door is part of an ominous action such as a burglary, the sound mixer may call attention to the "click" with an increase in volume.

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例如，开门的“咔哒”声可能只是为了让观众相信所描绘的图像是真实的，而观众可能只是下意识地注意到预料之中的声音。

For example, the 'click' of a door being opened may simply serve to convince the audience that the image portrayed is real, and the audience may only subconsciously note the expected sound.

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他注意到在开门时，他是通过一豪华加长车过来的。

He'd noticed when answering the door that he'd arrived via a limousine.

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