zhè / wèi / nián / qīng / rén / shí / shí / wù / zhī / dào / shén / me / shí / hou / yīng / gāi / jiān / chí / shén / me / shí / hou / yīng / gāi / ràng / bù这位年轻人识时务,知道什么时候应该坚持,什么时候应该让步。This young person knows when to stand firm and when to compromise.