You might remember the meaning of the character 脆 with this easy mnemonic:
Be careful with the moon (月) magnet (⺈), it's very brittle. I accidentally dropped it off a cliff (厂) but it landed on a snake (乚) before falling onto a crane (㇆), so it's very damaged.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.