be quick off the mark

US /bi kwɪk ɔf ðə mɑrk/
UK /bi kwɪk ɔf ðə mɑrk/
"be quick off the mark" picture
1.

재빨리 반응하다, 이해력이 빠르다

to be quick to understand or respond to something

:
She was quick off the mark to answer the difficult question.
그녀는 어려운 질문에 재빨리 대답했다.
The company was quick off the mark to adapt to the new market trends.
그 회사는 새로운 시장 트렌드에 재빨리 적응했다.