四十不惑 しじゅうふわく Meanings Expression at age forty, one has no doubts (from Confucius) Kanji 四 four. Read as シ. 十 ten. Read as ジュウ. 不 un- 惑 bewilder. Read as ワク. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists