You might remember the meaning of the character 晚 with this easy mnemonic:
The city's hot air balloon ride is a magnet (⺈) for tourists. But it departs before the sun (日) rises and you can't be late! Still the tourists show up with yawning mouths (口) and tripod legs (儿).</em>
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.