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.
to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore
用
=
丨
+
月
:
Mnemonic symbol: a first aid kit. Can you see the cross on the container?
用
=
丨
+
月
:
Yu the Great hurt her leg when she slipped in the engine's bathroom. The moon helps her to splint her leg using the bathroom's first aid kit and a dinosaur bone.