noun, measure word · the attitude, mood, or manner conveyed through a person's voice or speaking style

他说话的口气十分粗鲁，让人听了很不舒服。

noun · the tone or manner of a person's speech, often reflecting their attitude, confidence, or social status.

他说话的口气俨然是个大人。

noun · the specific way in which someone phrases their thoughts, often reflecting an underlying intention or the scale of their claims

听他的口气，这件事情似乎还有商量的余地。