jiǔ
=
ji
+
ou3:
(long) time / (long) duration of time
Mnemonic
Mnemonic symbol: an hourglass. Joan of Arc (ji) has been waiting for ages (久) for the elephant (勹) to get up from the outhouse's living room (ou3) sofa. She point towards a huge expired hourglass (久) and pokes him with a finger (㇏) to make him finally get up.
灸
=
久
+
火
:
Joan of Arc (ji) is preparing for her next battle with a moxibustion (灸) session in the outhouse's living room (ou3). She needs to wait for the hourglass (久) to run out before she can put out the fire (火) on her back.
亩
=
亠
+
田
:
When Malte Monkey (mu) was tilling his field (田) in the space station he lost his beret (亠) and now it must be buried under the earth. He'll have to search the whole field. Too bad for him that he has a whole hectare (亩) to search.