Let the side down British Australia informal verb phrase
To embarrass or disappoint a group of people that you are part of by behaving badly or not doing well at something
Failing the final test made me feel like I let the side down.
Thanks for inviting me. However, I don't want to let the side down because of my bad swimming skill.
Don't feel like you let the side down. Come over and have fun with us.
The verb "let" should be conjugated according to its tense.
Confusion made worse than before.
There was heavy traffic on the way to work this morning. Confusion worse confounded when some drivers were arguing with each other right in the middle of the street.