steal someones thunder
偷走某人的风头，拿走某人的成果或重要时刻的关注
口语·表达抢功或抢风头
英文释义
to take credit for someone else's achievements or ideas; to diminish or overshadow someone else's accomplishments
例句
Don't steal someone's thunder by sharing their news before they do.
典故来源
同上，强调夺取他人成果或时刻的关注。