Breathe your last
Definition 1 of 1
Pro Tip 1/3Literary Use
Often used in literary content or stories, giving a dramatic or serious tone to the text. 
In the final chapter, the hero breathed his last, leaving the nation in mourning.
Pro Tip 2/3Euphemistic
It's a softer, more poetic way to talk about death, used to avoid the harshness of words like 'die'. 
The old oak tree finally breathed its last during the winter storm.
Pro Tip 3/3Metaphorical Usage
Can be used for things that aren't alive, like machines or organizations that stop functioning. 
After years of service, the old factory breathed its last and closed doors.