Mnemonic comic for

Translation

wài = w + ai4: outside / in addition / foreign / external

Mnemonic

There's a hole in the wall of the airplane's bathroom (ai4), and from outside (外), a bat (夕) wants to enter. Willy Walrus (w) is very afraid of bats, so he does his best to hinder the bat from entering with a voodoo staff (卜).

外 character breakdown

(bound form) to divine / to forecast or estimate / (of a place to live etc) to choose

= + : Mnemonic symbol from "to divine" and the shape of the character: a voodoo staff.

Bruno Bear (bu-) tries to divine (卜) the future in the space station's living room (Ø3). He places a petal (丶) in the middle of the room as an offering and starts a magic ritual with his voodoo staff (卜). The staff transforms the petal into a dinosaur bone (丨). Bruno divines that the staff was trying to tell him that all things are mortal and must come to an end.
dusk / evening / Taiwan pr. [xi4]

Mnemonic symbol: this character looks a bit like a bat, and bats come out of their caves at dusk. I could see the upper left 丿 as part of the bat's right wing, ㇇ as the body/head and 丶 as the eye of the bat.

Xi Shi (xi) goes out for a space walk in front of the space station (Ø1) in the evening (夕), where she observes a space bat.
see 蘿蔔|萝卜[luo2 bo5]

Characters with 外 as component

外 is not used as a component in another character.

Words with 外

to go out / to go away (on a trip etc)
in addition / extra
(coll.) mother's father / maternal grandfather
injury / wound / trauma
to tell others (a secret) / to divulge to an outsider / to be rumored
unofficial biography (as opposed to official dynastic biography)
external force / pressure from outside
foreign affairs
exocrine / external secretion (e.g. saliva)
foreign ministry (e.g. of Japan or Korea)
to make an official visit (often abroad)
exocrine gland / gland producing external secretion (e.g. saliva)
soft on the inside despite one's hard shell / appearing tough on the outside as to mask one's inner vulnerability / also written 內柔外剛|内柔外刚[nei4 rou2 wai4 gang1]
add-on (software) / plug-in (software)

Sentences with 外

wài
miàn
yǒu
yi̅
ya̅o
hóu
chuǎng
jìn
go̅ng
lái