Because the daytime is so frightfully hot that work will be difficult.

Bludd spoke in a conversational, relaxed tone, It's frightfully hot on this planet.

The valley was obscured with clouds of dust and smoke, the day frightfully hot and suffocating.

Pardon me for having written this in my shirt-sleeves, it is such a frightfully hot day.--

It must be frightfully hot in town, Sam.

But won't it be frightfully hot here?

The morning was indeed frightfully hot.

And it was so frightfully hot.

Nothing so frightfully hot, believe me.

Paula passed a fearful night in the small, frightfully hot prison-cell in which she and Betta were shut up.

The sun was frightfully hot.

It's frightfully hot at home.

If it wasn't so frightfully hot and there were any place to go, I'd say let's continue our spree.

Isn't it frightfully hot to-night?

Since we left Youldeh, and there also, the days had been frightfully hot, and the nights close, cloudy, and sultry.

Now the Water grew warm, hot, hotter, frightfully hot; the little Half-Chick cried out, Do not burn so hot, Fire!