Lose your cool.
lose composure
'Lose your cool' refers to losing one's composure or becoming visibly upset. It is often used in stressful situations where maintaining a calm demeanor is more effective and losing it could lead to negative outcomes. It serves as a reminder of the importance of staying collected and rational, especially in challenging circumstances.
Example Sentences
Don't lose your cool over minor setbacks.
Don’t get too upset over minor problems.
In the heated argument, he struggled not to lose his cool.
He tried to remain calm during the heated argument.
She lost her cool and yelled at the team for the continuous errors.
She became very upset and yelled at the team for repeatedly making errors.