N-UNCOUNT-COLL [with singular or plural verb](在公共場所的)塗畫,塗鴉Graffiti is words or pictures that are written or drawn in public places, for example on walls or posters. (在公共場所的)塗畫,塗鴉
Buildings old and new are thickly covered with graffiti.
新老建築上都有密密麻麻的塗鴉。
There's no vandalism, no graffiti, no rubbish left lying about.