to fight / to struggle / to condemn / to censure / to contend / to put together / coming together
斗
=
⺀
+
十
:
Mnemonic symbol: a 斗牛士 (dou4 niu2 shi4) is a matador, who will represent 斗 when used as component.
The matador (斗) and Don Quixote (d) are fighting (斗) in the outhouse's bathroom (ou4) about who may use the bathroom next. The matador yields a holy cross (十) as a weapon, while Don Quixote (d) wisely chose a blossom (⺀) to cushion the crosses' blows.
鬥 character breakdown
The character 鬥 cannot be broken down into individual components.
哄
=
共
+
口
:
Helga Horse (hu) wants to eat a mandarin (口) all by herself in the engine's bathroom ((e)ng4), but the communist (共) causes an uproar (哄) because she is supposed to share the mandarin with everyone.
noisy / cacophonous / to make noise / to disturb / to vent (feelings) / to fall ill / to have an attack (of sickness) / to go in (for some activity) / to joke
闹
=
市
+
门
:
Napoleon (n) opened a shop (市) just inside the aorta's entrance (ao4) and it is bustling with noise (闹). His supermarket is so successful because he installed a trap door (门) in the floor above through which new customers keep falling.
lit. sit on the mountain and watch the tigers fight (idiom) / fig. watch in safety whilst others fight then reap the rewards when both sides are exhausted