difficult (to...) / problem / difficulty / difficult / not good
难
=
又
+
隹
:
Mnemonic symbol: a video game which is almost impossible to beat.
难
=
又
+
隹
:
Just inside the anthill's kitchen, Napoleon and a sparrow are trying to beat an insanely difficult video game. After playing and failing all day long Napoleon finally loses his temper and crashes the game wearing two boxing gloves.
㠯
=
尸
+
口
:
Mnemonic symbol: 㠯 looks like a cool pair of safety goggles.
A ghost (尸) has been hiding from Maud Younger (Ø3) in a mandarin (口). Maud finds the mandarin in the space station's living room (Ø3) and squeezes the ghost out, and in order to (㠯) be protected from the mandarin juice flying all around in zero gravity she is wearing safety goggles (㠯).
to use / by means of / according to / in order to / because of / at (a certain date or place)
以
=
人
+
厶
:
So this is Neanderthal Man with a fake nose. He has bushy eyebrows, so my symbol for 以 is going to be one of these fake noses that come with additional glasses, eyebrows, and a moustache: Groucho glasses.
以
=
人
+
厶
:
Maud Younger and Neanderthal Man prepared some costumes for Halloween in the space station. Neanderthal Man created a big fake nose, while Maud Younger made a pair of Groucho glasses.
to answer / to respond / to comply with / to deal or cope with
应
=
广
+
⺍
+
一
:
Mnemonic symbol: from 应龙, responsive dragon. The responsive dragon knows every answer to every quiz question ever asked.
应
=
广
+
⺍
+
一
:
Maud Younger and the responsive dragon want to peacefully take over engine: They skydive into engine's bathroom using two parachutes. On top of it, Maud Younger plays a flute, and the responsive dragon is waving with a daisy responding to the rhythm of the music.