乱扔垃圾在这座城市被视为轻微违法行为。

Littering is treated as a ___misdemeanour in this city.

他在公园里乱扔垃圾被罚款，这种不文明行为会被记录在案。

He was fined for littering in the park, and this ___misdemeanour would be officially recorded.