to try to teach someone something that is difficult for them to learn due to their age or experience
试图教某人一些因其年龄或经验而难以学习的东西 (shìtú jiào mǒu rén yīxiē yīn qí niánlíng huò jīngyàn ér nán yǐ xuéxí de dōngxī)
"It's hard to teach an old dog new tricks, but I'll try."
"很难教一只老狗新把戏，但我会试试看。" (hěn nán **jiào yī zhī lǎo gǒu xīn bǎxì**, dàn wǒ huì shìshì kàn)
unusual or unconventional
to swear that something is true, often said with sincerity
using creative and low-cost strategies to rapidly grow a bus...
Money is limited and must be earned; not easy to get.
to feel a strong desire to travel or move
a person who keeps their skills or plans secret until an imp...
