dog days
US /dɔɡ deɪz/
UK /dɔɡ deɪz/
1.
三伏天, 酷暑
the hottest period of the year, usually considered to be from early July to early September
:
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We usually go on vacation during the dog days of summer.
我们通常在夏季的三伏天去度假。
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It's too hot to do anything productive during these dog days.
在这些三伏天里，太热了，什么都做不了。