■【汉译英】爷爷虽然年过六旬，但他人长得精神，尤其他那口整齐的牙齿令我们这些年轻人都不得不服气.

Though grandpa is over sixty,he is still very active , especially the orderly teeth which even us Young have to be convinced

Although Grandpa has passed sixties, but
he is full of energy,especially his rows of teeth we these young people have no choice but to admire.

Although grandpa had already over sixty, he is still very energetic, espeical his tooth which must be better then our youngers.