flutter

US /ˈflʌt̬.ɚ/
UK /ˈflʌt̬.ɚ/
"flutter" picture
1.

ひらひら舞う, はためく

fly unsteadily or hover by flapping the wings quickly and lightly

:
Butterflies fluttered among the flowers.
蝶が花の間をひらひらと舞った
The bird fluttered its wings before taking off.
鳥は飛び立つ前に羽をはためかせた
2.

ひらめく, 高鳴る

move or fall with a light, irregular, or trembling motion

:
The curtains fluttered in the breeze.
カーテンがそよ風にひらめいた
Her heart began to flutter with excitement.
彼女の心は興奮で高鳴り始めた
1.

ひらめき, 高鳴り

a quick, light, and irregular movement

:
She felt a flutter in her stomach.
彼女は胃にひらめきを感じた。
There was a sudden flutter of wings as the birds took flight.
鳥たちが飛び立つと、突然羽がはためいた