lú gōu qiáo shì biàn
Marco Polo Bridge Incident of 7th July 1937, regarded as the beginning of the Second Sino-Japanese War 抗日戰爭|抗日战争[Kang4 Ri4 Zhan4 zheng1]
卢
lú
abbr. for Luxembourg 盧森堡|卢森堡[Lu2 sen1 bao3]
沟
gōu
ditch
桥
qiáo
bridge
事
shì
matter
变
biàn
to change