pay attention (to)
US /peɪ əˈten.ʃən (tuː)/
UK /peɪ əˈten.ʃən (tuː)/

1.
to listen to, watch, or consider something or someone carefully
:
•
Please pay attention to the instructions.
•
You need to pay attention to what your teacher says.
to listen to, watch, or consider something or someone carefully