miàn / duì / fù / zá / de / jú / miàn / lǎo / jiào / shòu / yī / yǔ / dào / pò / qí / zhōng / de / guān / jiàn面对复杂的局面,老教授一语道破其中的关键。Facing a complex situation, the old professor pinpointed the key issue.