pi4
to open (a door); to open up (for development); to dispel; to refute; to repudiate

strokes 21
radical
strokes after radical 13
鞭辟入里 鞭闢入裡 bian1 pi4 ru4 li3
penetrated; trenchant; incisive

精辟 精闢 jing1 pi4
clear and penetrating (e.g. analysis); incisive; insightful

警辟 警闢 jing3 pi4
profound, thorough and moving

开辟 開闢 kai1 pi4
to open up; to set up; to establish

开辟者 開闢者 kai1 pi4 zhe3
pioneer; groundbreaker

开天辟地 開天闢地 kai1 tian1 pi4 di4
to split heaven and earth apart (idiom); refers to the Pangu 盤古|盘古 creation myth

另辟蹊径 另闢蹊徑 ling4 pi4 xi1 jing4
to take an alternate route (idiom); to find an alternative; to take a different approach; to blaze a new trail

辟室 闢室 pi4 shi4
lit. to open a room; fig. to settle in a quiet room; behind closed doors

辟室密谈 闢室密談 pi4 shi4 mi4 tan2
to discuss behind closed doors

辟谣 闢謠 pi4 yao2
to refute a rumor; to deny

透辟 透闢 tou4 pi4
penetrating; incisive