zhēn / zhèng / zhī / lěng / zhī / rè / de / péng / you / huì / zài / nǐ / xū / yào / shí / zhǔ / dòng / bāng / máng

真正知冷知热的朋友，会在你需要时主动帮忙。

A truly considerate friend will offer help when you need it.