猛
=
孟
+
犭
:
Mencius' (孟) dachshund (犭) did a dump inside of the engine ((e)ng3) and Mencius is furious (猛). He ferociously yells at his dachshund and is in turn yelled at by Mahatma Gandhi (m) who oversees engine.
增
=
土
+
曾
:
In front of the engine ((e)ng1) some fireflies (曾) are busy increasing (增) the height of the hill on which engine rests by piling up dirt (土) so that it counts as a mountain. Zorro (z) came to interview them but since they are so tiny they need to use an amplifier (增) so that Zorro can hear what they are saying.