You might remember the meaning of the character 缓 with this easy mnemonic:
When I feel sluggish, I like to take two silk (纟) worms, a bear claw (爪), and cook it with one (一) pint of milk. I'll make that soup again (又) and again until I feel better.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.