a storm in a teacup
小题大做；无风起浪
口语·形容小题大做
英文释义
an overreaction to a small or insignificant issue
例句
Don't worry about their argument—it's just a storm in a teacup.
典故来源
源自18世纪法国哲学家孟德斯鸠的比喻，茶杯里的风暴指小范围内的大惊小怪。