【善贾而沽】〖shàn jià ér g〗[sell at a good profit -- to wait for an opportunity and sell at a high price]

善文能武奸佞嗔，

贾祸直言浃髓沦。

而今而后走背字，

沽酒当垆尘世隐。

等好价钱卖出。比喻怀才不遇，等有赏识的人再出来做事。也比喻有了肥缺，才肯任职。Wait for good price to sell. Metaphor have talent but no opportunity to use, etc has appreciation of people again come out do things. Also metaphor see lucrative post, just willing take office.