脑袋

In a sentence

• 别低着脑袋，抬起头来面对困难。

  Don't bow your head; raise it to face difficulties.

  In this sentence, '脑袋' refers to the physical head of a person, emphasizing its positioning.

• 这个问题让我绞尽脑袋也想不出答案。

  This problem made me think hard but still couldn't come up with an answer.

  Here, '脑袋' symbolizes the brain or mind, highlighting the mental effort involved.

• 小猫转来转去，好像在找什么东西，它的小脑袋真可爱。

  The kitten was moving around as if looking for something; its little head was so cute.

  In this context, '脑袋' is used affectionately to describe the head of the kitten, reflecting a physical feature.