These people think only of the pleasures in front of them: truly 'taking Hangzhou for Bianzhou'.
Tips
history
The last line of 林升's 《题临安邸》, after 暖风熏得游人醉. After the Jin took the north in 1127, the Song court settled at 临安, today's 杭州, and the poem shows it feasting there as if it were still in its old capital 汴州, today's 开封.
grammar
把 X 作 Y is classical 'to take X for Y', like modern 把 X 当作 Y; 直 is 'simply, just'.