get down
US /ɡet daʊn/
UK /ɡet daʊn/

1.
to make someone feel sad or depressed
:
•
This gloomy weather always gets me down.
•
Don't let the criticism get you down.
2.
to write something down
:
•
Please get down all the details of the meeting.
•
I need to get down these ideas before I forget them.
3.
to start to do something seriously or with great effort
:
•
It's time to get down to business.
•
Let's get down to studying for the exam.
4.
to move from a standing or higher position to a sitting or lower position
:
•
Can you get down from that ladder carefully?
•
The cat refused to get down from the tree.