无任感激

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

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

• 亻(person; human; man)RADICAL
• 壬(bear; endure)PHONO-SEMANTIC

A person who carries heavy responsibility on their shoulders is someone trusted with an important task.

• 咸(all; entire)PHONETIC
• 心(heart; soul)RADICAL

Emotion occurs when the heart trembles in response to everything around it.