goalpost

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

goal‧post /ˈɡəʊlpəʊst $ ˈɡoʊlpoʊst/ BrE AmE noun [countable usually plural]
1. one of the two posts, with a bar along the top or across the middle, that form the ↑goal in games such as football and ↑hockey SYN post
2. move/shift the goalposts British English informal to change the rules, limits etc for something while someone is trying to do something, making it more difficult for them – used to show disapproval