1、To work somebody/to try to lower the price
2、Down the drain/ wasted (when consuming time or money)
3、Worth one's salt/capable to do something
4、Firm/ not moving on a price, steady, solid
5、Take it or leave it/ buy it or not
6、Take someone for a ride/to lie the quality
7、To chisel/to cheat
8、The bottom price/ the lowest price
9、To heckle/to shout at them
10、No win situation / No matter what someone does, he won't work out on his favour.
adj. 有能力的,足以胜任的,有 ... 倾向的