It's raining cats and dogs
US /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/
UK /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/
1.
傾盆大雨, 下大雨
raining very heavily
:
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I can't go out now, it's raining cats and dogs!
我現在不能出去，外面下著傾盆大雨！
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We had to cancel the picnic because it was raining cats and dogs.
我們不得不取消野餐，因為下著傾盆大雨。