bàn​lù​shā​chū​de​chéng​yǎo​jīn

unexpected intruder

半路杀出的程咬金 半路殺出的程咬金 bàn​lù​shā​chū​de​chéng​yǎo​jīn
unexpected intruder
someone who shows up unexpectedly and disrupts a plan or situation. This expression refers to the general 程咬金 chéng​yǎo​jīn who is famous in folklore for launching sudden ambushes

Cross-References

See