水平

level (of achievement etc) / standard / horizontal

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

surname Ping

flat / level / equal / to tie (make the same score) / to draw (score) / calm / peaceful / abbr. for 平聲|平声[ping2 sheng1]

horizontal plane / level surface / water level

level (device to determine horizontal) / spirit level / surveyor's level

academic level

educational level

Putonghua Proficiency Test, an official test of spoken fluency in Standard Chinese for native speakers of Chinese languages, developed in the PRC in 1994

horizontal shaft / horizontal axis (math.)

advanced level

spirit level

(aviation) tailplane / horizontal stabilizer

urbanization level (of a city or town)