To enunciate each word clearly and deliberately, often implying seriousness or meticulousness in speech.
老教授在讲解这篇古文时，总是咬音咂字，生怕学生理解不透。
The old professor always spoke with careful enunciation, emphasizing each word when explaining this ancient text, for fear that students might not fully understand it.
Era:
Modern
Frequency:
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