foolishness
doggedness
- inflexibleacting in a rigid, stubborn, or mechanical way; lacking flexibility
- 劲 勁 adjectivespiritenthusiasm; spirit; mood; drive
- 儿 兒 particleaffix[erhua suffix]A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.