The flu will make you burn with fever, ache all over, feel extremely tired and cough intensely.

流感会使你发烧，全身酸痛，感到极度疲劳，并且剧烈咳嗽。

youdao

He was extremely tired but sleep eluded him.

他累极了，却睡不着。

《牛津词典》

Despite his protestation to the contrary, he was extremely tired.

他已筋疲力尽，尽管他极力否认这一点。

《牛津词典》

Smythe was extremely tired and suffering from the effects of low oxygen.

VOA: special.2010.02.24

They say it can cause people to feel fatigued or extremely tired.

VOA: special.2011.01.18

The man is exhausted." Linda knows that Willy is extremely tired.

VOA: special.2009.11.29

After winning his first nine fights, he got extremely tired while training for his tenth.

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"It will lead to, at times, firefighters being extremely tired, " he said.

BBC: Hereford and Worcester fire cuts 'will double workload'

Plans to cut the number of firefighters at a Worcestershire station by half could mean "extremely tired" crews under performing, warned the union.

BBC: Hereford and Worcester fire cuts 'will double workload'