无名烈士墓

• 一(one; initial)ASSOCIATIVE
• 尢(disabled person; insufficient)ASSOCIATIVE

From the beginning there was a shortage, so 無 means 'nothing at all'.

• 夕(evening; night)ASSOCIATIVE
• 口(mouth; speech)RADICAL

When it's dark and people can't see each other, they must use their mouth to call out names to recognize one another.

• 土(earth; soil; land)RADICAL
• 莫(sunset; dusk; darkness)PHONO-SEMANTIC

A tomb is where the body is buried deep in the earth when the curtain of night falls.