2 sentences for 酷 (kù — extremely)

1. 他们整天在酷热中行走。

   tā​men zhěng​tiān zài kù​rè zhōng xíng​zǒu.

   They walked all day in the scorching heat.

   Source: CCMatrix

2. 虽然时值中午，但许多村民都在酷暑中不知疲倦地工作。

   suī​rán shí​zhí zhōng​wǔ, dàn xǔ​duō cūn​mín dōu zài kù​shǔ zhōng bù​zhī​pí​juàn de gōng​zuò.

   Although it was noon, many villagers were working tirelessly in the scorching heat.

   Source: CCMatrix