a. 被蚤咬的, 有蚤咬疤痕的, 白底有红色斑点的

[ adj ]
worn and broken down by hard use
<adj.all>
a creaky shacka decrepit bus...its seats held together with friction tape
a flea-bitten sofa
a run-down neighborhood
a woebegone old shack

flea-bitten \flea"-bit`ten\, a.
1. Bitten by a flea; as, a flea-bitten face.

2. White, flecked with minute dots of bay or sorrel; -- said
of the color of a horse.

3. same as {creaky}, 1. [WordNet sense 1]

Syn: creaky, decrepit, run-down, rundown, woebegone.
[WordNet 1.5]