to go / to take / sentence-final interrogative particle / variant of 於|于[yu2]
(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by

= + : Mnemonic symbol: prepositions (in, at, on, to, ...) are what glue the sentence together. Honey is as sticky as glue, so I'll represent 于 by a honey jar.

Yu the Great (于) was assigned to repair the electronics of the space station's kitchen (Ø2), but instead he was snacking honey from a honey jar (于). Unfortunately his capacitor (二) got stuck in the honey and now he has to use a crowbar (亅) to lever it out.

于 character breakdown

"vertical stroke with hook" radical in Chinese characters (Kangxi radical 6) / see also 豎鉤|竖钩[shu4 gou1]

Mnemonic symbol: 亅 looks like a crowbar. Zeus (ju) is bored and presses all the buttons next to the elevator kitchen's (e2) door with his crowbar (亅).
two / 2 / (Beijing dialect) stupid

= : Mnemonic symbol: a capacitor, because the two strokes remind me of the symbol in electrical drawings. Albert Einstein (Ø) is experimenting with a capacitor (二) in the space station's bathroom (Ø4). He finds that it's uncomfortable to discharge a capacitor using two flutes (一).

Characters with 于 as component

variant of 籲|吁[yu4]
sh / hush
to implore

= + : Yu the Great (yu) wants to stick a mandarin (口) into a honey jar (于) and eat it, but in the space station's bathroom (Ø4) the mandarin is imploring (吁) him to not do it.
room / universe

= + : Yu the Great (yu) just earned her PhD in the space station (Ø3) and is proudly putting on her graduation cap (宀). She was measuring cosmic (宇) rays by investigating the traces they left in a honey jar (于) and is demonstrating her experiment for the camera.
taro / Colocasia antiquorum / Colocasia esculenta
(dialect) country fair / country market
dike
variant of 污 / dirty / filthy / foul / corrupt / to smear / to defile / dirt / filth
basin / wide-mouthed jar or pot
literal-minded / pedantic / doctrinaire / longwinded / circuitous
surname Xu

Words with 于

thereupon / as a result / consequently / thus / hence
to be loyal to
eager to / in a hurry to
to have the courage to do sth / to dare to / bold in
anxious for quick results (idiom); to demand instant success / impatient for result / impetuous
Yutian County in Hotan Prefecture 和田地區|和田地区[He2 tian2 Di4 qu1], Xinjiang
Yutian County in Hotan Prefecture 和田地區|和田地区[He2 tian2 Di4 qu1], Xinjiang
Yudu county in Ganzhou 贛州|赣州[Gan4 zhou1], Jiangxi
Yudu county in Ganzhou 贛州|赣州[Gan4 zhou1], Jiangxi
What you don't want done to you, don't do to others. (idiom, from the Confucian analects) / Do as you would be done by. / Do not do to others what you would not have them do to you.
to show one's feelings / to show it in one's face
to benefit from / thanks to
to betray anger (idiom); fury written across one's face
see 急如星火[ji2 ru2 xing1 huo3]
to be unable to express oneself clearly (idiom)
to draw an impossible comparison
(classical) see 於是|于是[yu2 shi4]

Sentences with 于

yú
nǐ
men
zhè
hua̅
guǒ
sha̅n
kě
shì
dà
bù
xia̅ng
tóng
a