半熟蛋

• 丷(two diagonal strokes; division in half)ASSOCIATIVE
• 牛(cow; cattle)ASSOCIATIVE

Using a knife to split a cow in half equally shows the meaning of 半 (half).

• 孰(who; which; what)PHONO-SEMANTIC
• 灬(fire; flame)RADICAL

Using fire to cook food until it becomes soft and done is the meaning of 熟.

• 疋(foot; leg (sound similar to 'đản'))PHONETIC
• 虫(insect; reptile)RADICAL

An egg is what reptiles lay, with a round shape like a foot.