to start something suddenly
His speech will spark a big change in the community.
彼のスピーチはコミュニティに大きな変化を引き起こすだろう。
to make small flashes of light or fire
The wires began to spark when they touched.
電線が触れたとき、火花が散り始めた。
a tiny piece of burning material
A small spark from the fire flew into the air.
火から小さな火花が空中に飛び散った。
a small flash of electricity
The engine needs a spark to start running.
エンジンは作動するために火花が必要だ。
a small amount of a feeling or quality
There was still a spark of hope in her eyes.
彼女の目にはまだ希望の光が残っていた。
special energy or creativity
The artist lost his creative spark after many years.
長年の後、その芸術家は創造的な閃きを失った。
something that starts trouble or big events
The protest was the spark that began the revolution.
その抗議は革命を始めるきっかけとなった。
angry or excited feelings between people
You could see the sparks between them during the argument.
議論の最中、彼らの間には火花が散っているのが見えた。