yīn gōu lǐ fān chuán
to meet with unexpected failure (idiom)
to fail miserably (where failure was not expected)
阴
yīn
variant of 陰|阴[yin1]
沟
gōu
ditch
里
lǐ
li, ancient measure of length, approx. 500 m
翻
fān
variant of 翻[fan1]
船
chuán
boat