On a hairdryer: Do not use while sleeping.

一只吹风机上写道： 不要在睡觉时使用。 …

youdao

The hairdryer approach of Sir Alex is exciting (maybe not to the player exposed to it) but it is a thing of the past.

弗爵爷压榨式的训练方法很刺激（可能对于被训练的球员并不是这样），但是这是过去的训练方法。

youdao

The neighbour assured her they were not, but that they had been woken once or twice by what sounded like a hairdryer.

邻居们很肯定地告诉她没有，但却被听着像吹风机的声音吵醒过一两次。

youdao

It's not difficult to imagine McGhee doing a fine imitation of Fergie's famous 'hairdryer' blast...

BBC: SPORT | Football | My Club | Motherwell | McGhee out to make his mark

Although they did not personally apply Sir Alex's hairdryer approach to disciplining workers, they still fostered a strong self-imposed fear of failure.

ECONOMIST: Fear and management