You might remember the meaning of the character 腹 with this easy mnemonic:
In order to get a flat stomach, pray to the moon (月) with your staff (亻) and go (夂) worship the sun (日) every day. But go slowly (夊), because you don't want to lose weight too fast!
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.