C1 noun /ɡrəˈfiː.ti/
Graffiti
在公共场所的墙壁或其他表面上非法书写或绘制的文字或图画
Meaning
writing or drawings scribbled, scratched, or sprayed illicitly on a wall or other surface in a public place
Example
The subway walls were covered with colorful graffiti created by local street artists.
地铁墙壁上覆盖着由当地街头艺术家创作的五彩斑斓的涂鸦。