smudge：释义

To make dirty, especially in one small area.

To smear or blur (something).

To fill (an orchard or another planted area) with dense smoke from a smudge pot in order to prevent damage from insects or frost.

To smear something as with dirt, soot, or ink.

To become smudged: Photo negatives smudge easily.

A blotch or smear.

A smoky fire used as a protection against insects or frost.