sān​cháng​liǎng​duǎn

death

三长两短 (三長兩短) sān​cháng​liǎng​duǎn
death idiom
a sudden death or fatal occurrence, often used euphemistically

In case something happens to the elderly person, we should prepare in advance.

Frequency

Movie subtitles
1.25 per million appears in 1% of films
Written text
0.409 per million

Sources

Definitions
CC-CEDICT