You might remember the meaning of the character 汤 with this easy mnemonic:
Droplets (氵) of soup on the windowsill will soon evaporate under the sun (日), or you can wrap (勹) one (一) piece of kitchen towel around your hand and slash (丿) away the spilled soup.
Using mnemonics to remember the meaning of Chinese characters like has a huge impact on how long to learn Mandarin it takes.