fizzle out

US /ˈfɪz.əl aʊt/
UK /ˈfɪz.əl aʊt/
"fizzle out" picture
1.

يتلاشى, يخبو, يفشل

to end or fail in a weak or disappointing way after a promising start

:
The protest movement seemed to fizzle out after a few weeks.
بدت حركة الاحتجاج وكأنها تتلاشى بعد بضعة أسابيع.
Their initial enthusiasm for the project began to fizzle out.
بدأ حماسهم الأولي للمشروع يتلاشى.