pomelo (Citrus maxima or C. grandis)
person living or traveling far from home
Know yourself and know your enemy, and you will never be defeated (idiom, from Sunzi's Art of War 孫子兵法|孙子兵法[Sūn zǐ Bīng fǎ]).
(old) brother's son or daughter
dense and sticky substance
(dialect) wily old fox