注册会计师

• 氵(water; liquid)RADICAL
• 主(master; center)PHONO-SEMANTIC

Water concentrated at one central point is the meaning of the character 注.

• 冂(outer frame; enclosure)RADICAL
• 卄(twenty; many bamboo strips)ASSOCIATIVE

Bamboo strips tied together resemble stacked cards forming a book.

• 人(person; man; human)RADICAL
• 云(speak; cloud)PHONETIC

A meeting is when many people gather together to speak and talk.

• 言(word; speech)RADICAL
• 十(ten)PHONETIC

Calculation is using words to count numbers one by one.