the best ⇒ 三百六十行,行行出状元。 Sānbǎi liùshí háng, hángháng chū zhuàngyuán. → No matter what career you choose, you can be the best.
纪元
era ⇒ 新纪元 xīnjìyuán → new era ⇒ 公历从耶稣诞生的那年开始纪元。 Gōnglì cóng Yēsū dànshēng de nà nián kāishǐ jìyuán. → The Western calendar begins in the year of the birth of Christ.