lěi​lěiléi​léi

innumerable

累累 lěi​lěi frequency
innumerable descriptive
occurring many times; repeated or accumulated in great numbers

Due to his numerous crimes, he eventually faced severe legal sanctions.

riddled descriptive
covered or filled with (typically used in the context of scars, wounds, or faults)

After this fierce battle, his shield was riddled with scars.

累累 léi​léi
clusters descriptive
(literary) clusters, piles, or heaps of items such as fruit or achievements

The apple trees in the orchard are heavy with fruit.

haggard descriptive
(literary) appearing gaunt, haggard, or in a wretched state

He wandered the streets looking weary and destitute.

Frequency

Movie subtitles
1.13 per million appears in 1% of films
Written text
4.92 per million

Sources

Definitions
CC-CEDICT