For checking the transcript: https://www.buzzsprout.com/2379282
Catch up
has a few meanings, but they all involve getting closer to something or someone: like To reach someone or something that’s ahead. To get back on track after falling behind in tasks or activities.

Examples:
1- Serena Williams took a break from tennis, but she worked hard to catch up with the competition before returning to the court.
2- Scientists are racing to catch up with the rapid development of AI technology to address its challenges and risks.

For checking the transcript: https://www.buzzsprout.com/2379282
Snowed under
means to be extremely busy or overwhelmed with work, tasks, or responsibilities. Just like being buried in snow, it feels like you’re stuck under a heavy load!

Examples:
1- During the filming of The Lord of the Rings, director Peter Jackson was snowed under with editing, directing, and planning three movies at once.
2- My cousin is an event planner. She’s been snowed under with organizing three weddings and a music festival all in the same month.

For checking the transcript: https://www.buzzsprout.com/2379282
Take matters in your hands
To solve a problem yourself when others won’t help.

Examples:
1- When United refused to help, Dave took matters into his own hands by writing a song.
2- The neighbors fixed the streetlights themselves after waiting too long for the city to act.