péng / you / zhī / jiān / yīng / gāi / duō / jiāo / xīn / cái / néng / zhēn / zhèng / liǎo / jiě / bǐ / cǐ朋友之间应该多交心,才能真正了解彼此。Friends should open their hearts to each other more so they can truly understand one another.