黠

吉 = 口 + 士 : Mnemonic symbol: "Giga" stems from a Greek word for "giant", so I'll represent 吉 by a giant.

吉 = 口 + 士 : The giant just arrived at the space station and is very hungry. In each hand he holds Joan of Arc and the bachelor captive and robs them for their mandarins which he longs for.

黑 = 囗 + ⺌ + 土 + 灬 : Mnemonic symbol: a black board.

Hamlet received his order of aloe vera in front of the Eiffel Tower. There he stands with his big wooden box full of aloe vera plants. On his blackboard he sketched his business model: He wants to plant the aloe vera with a lot of earth in front of the Eiffel Tower, grill it and sell it to the Eiffel Tower's visitors.

黑 = 囗 + ⺌ + 土 + 灬 : Mnemonic symbol: a black board.

Hamlet received his order of aloe vera in front of the Eiffel Tower. There he stands with his big wooden box full of aloe vera plants. On his blackboard he sketched his business model: He wants to plant the aloe vera with a lot of earth in front of the Eiffel Tower, grill it and sell it to the Eiffel Tower's visitors.