They were hacked to death as they tried to escape.

他们企图逃走时被砍死了。

《牛津词典》

Some were hacked to death with machetes.

有些人被大砍刀砍死。

youdao

As people emerged from their homes they were either hacked to death or shot.

人们从家里出来，有的被砍死，有的中枪。

youdao

Agamemnon was hacked to death with an axe, wielded by his wife, Klytaemnestra.

NPR: Unparalleled Dysfunction: Strauss' 'Elektra'

The day after parliament sat, three brothers hacked to death their two sisters with axes "to cleanse the family honour".

BBC: Jordan's dilemma over 'honour killings'

Only last November in the capital, Jakarta, 22 churches were damaged and five Ambonese Christians were hacked to death by their Muslim neighbours.

ECONOMIST: Indonesia