chī bù dào pú tao shuō pú tao suān
sour grapes (set expr. based on Aesop)
lit. to say grapes are sour when you can't eat them
吃
chī
variant of 吃[chi1]
不
bù
no; not so
到
dào
to reach; to arrive
葡
pú
abbr. for 葡萄牙[Pu2 tao2 ya2]
萄
tao
used in 葡萄[pu2 tao5]
说
shuō
to speak; to talk; to say
酸
suān
sour