dog days

US /dɔɡ deɪz/
UK /dɔɡ deɪz/
"dog days" picture
1.

猛暑日, 真夏日

the hottest period of the year, usually considered to be from early July to early September

:
We usually go on vacation during the dog days of summer.
私たちは通常、夏の猛暑日に休暇に行きます。
It's too hot to do anything productive during these dog days.
この猛暑日には、生産的なことをするには暑すぎる。