You can remember the meaning of 好看 with this easy mnemonic:
Research shows that people unconsciously judge others on their looks. Therefore, parents in Korea would save plastic surgery money for their children as they <strong>see</strong> (看) <strong>good-looking</strong> people have <strong>good</strong> (好) prospects in life.
Using mnemonics to remember the meaning of Chinese characters like can have an enormous impact on how long to learn Mandarin it takes.