彻里彻外 Origin — Chinese Character Wiki

chèlǐchèwài

out and out

彻徹 chè adverbadjective

thorough

(bound form) thorough; penetrating; to pervade; to pass through
里裡 lǐ locative

inside

internal; interior; inside
彻徹 chè adverbadjective

thorough

(bound form) thorough; penetrating; to pervade; to pass through
外 wài locative

outside

outside; exterior; the space or position beyond a certain limit or boundary