put a damper on

US /pʊt ə ˈdæmpər ɑn/
UK /pʊt ə ˈdæmpər ɑn/
"put a damper on" picture
1.

merusak, mengurangi semangat

to have a negative effect on something, making it less enjoyable or successful

:
The bad weather really put a damper on our picnic plans.
Cuaca buruk benar-benar merusak rencana piknik kami.
His negative attitude always puts a damper on team morale.
Sikap negatifnya selalu merusak semangat tim.