yī fū dāng guān , wàn fū mò kāi
(idiom) one man guarding the pass can prevent the passage of ten thousand
一
yī
one
夫
fū
husband
当
dāng
to be
关
guān
mountain pass
，
,
万
wàn
ten thousand
莫
mò
do not
开
kāi
to open (transitive or intransitive)
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