You might remember the meaning of the character 帮 with this easy mnemonic:
I am going to assist the mayor in making this a better city (阝) by adding one (一) or two (二) train lines (丨) that lead everyone straight to the best beef skewer (巾) restaurant in town.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.