catch something (verb)

→ [transitive] To hear or understand something

Sorry, I didn't quite catch what you said.

I didn’t quite catch what you said as your screen froze. Would you mind saying it again?

Sorry, I didn’t catch you. I think my internet’s playing up.

(on) mute (adjective)

→ Having the mute button pressed on a device so that it does not produce any sound

Place your phone on mute or vibrate or turn it off completely when in an exam.

Advertising annoys me; I put the TV on mute during every ad break.

You’re on mute grandma, I can’t hear you! Have you not used Zoom before?

unstable (adjective)

→ Not staying constant

My connection is unstable because of the storm, I think, let me rejoin this meeting!

Is your internet connection unstable? You keep freezing. Let’s restart Zoom.

I can’t work in that cafe as the WIFI connection is pretty unstable.

play up (verb)

→ If a machine plays up, it does not work as it should

The starter motor was playing up again.

The car's playing up again so I don’t think I’ll be able to make it tonight.

How annoying, my computer’s playing up again!

freeze (verb)

→ [intransitive] When a computer screen freezes , you cannot move any of the images, etc. on it, because there is a problem with the system

It’s so frustrating when his screen freezes, we can’t have a proper conversation.

I was actually thankful my screen froze as I had to sneeze. Sneezing on camera is always so awkward and embarrassing!

Has your screen frozen or are you just not moving?