This is the 4178th most frequent Chinese word.
嘴巴
Mouth.
Here, '嘴巴' (mouth) is used as a noun to refer to the physical feature that enables speaking.
他张开嘴巴说话。
He opened his mouth to speak.
In this context, '嘴巴' (mouth) refers to one's speech or spoken language, implying the importance of careful verbal expression.
妈妈总让我管好自己的嘴巴。
Mom always tells me to watch my mouth.
Here, '嘴巴' (mouth) is utilized to describe the tool the kitten uses to interact with food, emphasizing its functional aspect.