專長

专 = 二 + ㇉ + ㇏ : Let's say the expert is a scientist. Also, 专 reminds me a little bit of the wheelchair symbol. Thus I choose a scientist in a wheelchair as symbol for 专.

专 = 二 + ㇉ + ㇏ : In front of the anthill, the scientist and Julian Giant Squid are focused on one thing: Electrifying the wheelchair of the scientist. Deeply concentrated they connect a capacitor to the wheelchair, which indeed starts to move a little.

长 = 乛 + 丆 + 丿 : Charlie Chaplin sped into the anglepod riding his longboard, but in the kitchen he doesn't know how to stop. He manages to make a u-turn by hooking him to the pole of a wind wheel with a sickle, but after the turn he can't help but bump into a giant banana.

长 = 乛 + 丆 + 丿 : The chief (长) is asking James II of England (zh) for help, because his wind wheel (丆) in the anglepod's living room (丆) isn't performing very well. After finding out that there's too much friction, James II of England uses a sickle (乛) to cut open a banana (丿) and uses the pulp to grease the wind wheel and enhance (长) its performance.