tempest in a teapot
US /ˈtem.pɪst ɪn ə ˈtiː.pɑːt/
UK /ˈtem.pɪst ɪn ə ˈtiː.pɑːt/

1.
小題大做, 大驚小怪
a great commotion or excitement over a trivial matter
:
•
The argument over the seating chart was a real tempest in a teapot.
關於座位表的爭論真是小題大做。
•
Don't worry about their little disagreement; it's just a tempest in a teapot.
別擔心他們的小分歧;那只是小題大做。