Chinese phrase
低头 dī tóu
Meaning
look down
When to use it
It describes lowering the head and looking downward. It often describes posture or gaze, and can suggest quiet thought.
Example dialogue
你怎么一直低头？ nǐ zěn me yì zhí dī tóu
Why do you keep looking down?
没事，只是在想事儿。 méi shì zhǐ shì zài xiǎng shìr
I'm fine. I'm just thinking.