shoot your mouth off
US /ʃuːt jʊər maʊθ ɔːf/
UK /ʃuːt jʊər maʊθ ɔːf/
1.
亂說話, 大嘴巴
to talk too much, especially in a boastful or indiscreet way
:
•
He tends to shoot his mouth off after a few drinks.
他喝了幾杯酒後就喜歡亂說話。
•
Don't shoot your mouth off about the surprise party.
別大嘴巴把驚喜派對說出去。