1. Song-shi (송시): This is the most common pronunciation and is used when "songshi" refers to a poem in Korean. The "sh" sound is similar to the "sh" in "ship."
2. Song-si (송씨): This pronunciation is used when "songshi" refers to a surname, specifically the Song surname. The "si" sound is similar to the "si" in "sister."
Therefore, to know how to pronounce "songshi" correctly, you need to consider the context and understand whether it refers to a poem or a surname.