tù zi wěi ba cháng bu liǎo
rabbits don't have long tails (idiom)
its days are numbered; won't last long
兔
tù
variant of 兔[tu4]
子
zi
noun suffix, as in 椅子[yi3 zi5] "chair"
尾
wěi
tail
巴
ba
the east of Sichuan and Chongqing Municipality
长
cháng
long
不
bu
no; not so
了
liǎo
(of eyes) bright
