旱冰

旱 = 日 + 干 : Mnemonic symbol: a marmot, 旱獭 (han4 ta3).

Hamlet (h) used the drought (旱) to dry fruits (干) under the sun (日) in the anthill's bathroom (an4), but the marmot (旱) secretly stole and ate all the dried fruits.

旱 = 日 + 干 : This character provides a mnemonic on its own: the sun (日) dries out (干) the land, leading to a drought (旱).

冰 = 冫 + 水 : Brunhilde (bi) is making some ice (冰) in front of the engine ((e)ng1). She puts lots of orange juice in a water fountain (水), throws some wooden sticks inside and adds lots of ice cubes (冰). She expects to have lots of popsicles (冫) ready soon.