置信水平

confidence level (math.)

to install / to place / to put / to buy

to believe (what sb claims) (usually used in the negative) / (math.) confidence (interval etc)

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

surname Shui

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

level (of achievement etc) / standard / horizontal

surname Ping

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