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.
urgent / pressing / rapid / hurried / worried / to make (sb) anxious
急
=
刍
+
心
:
Joan of Arc just arrived at the space station and although she has to go to the bathroom very urgently, she first has to clear the way of a big fluffy heart using a lawn mower.