1) Life begins at forty.
四十不惑
2) since 40, I have understood many things and have no longer been confused
四十而不惑，
3) Free from perplexities
不惑
6) One has reached the age of no doubting-forty years of age
年登不惑
补充资料：不惑
①通达，不疑惑：知者不惑｜力行而不惑。②《论语·为政》有“四十而不惑”句，后借指四十岁：不惑之年｜将近不惑之人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条