a good sword remains always sharp
Baodaobulao, a Chinese idiom, Pinyin is B ǎ OD ā ob ù L ǎ o, which means that although he is old or has been away from the profession for a long time, his kung fu or skill has not declined. From the romance of the Three Kingdoms.
The origin of Idioms
The 70th chapter of romance of the Three Kingdoms by Luo Guanzhong of Ming Dynasty: "Zhang Ying went out to meet Huang Zhong and said with a smile," you are so old that you don't know how to be ashamed. Do you still want to go out? " Zhongnu said: "Lizi deceives my old age! The sword in my hand is not old. "
Idiom usage
It is used as predicate, attributive and complement.
Examples
I wish you a great future.
a good sword remains always sharp
Chicken's voice and goose's fight - jī shēng é dòu
a poor widow does not care for the weaving -- a patriot who cares not for his own enterprise - lí bù xù wěi
study the past and foretell the future changes - jí wǎng zhī lái