bring in a North American opening weekend of around $150 million：在北美的一个首映周末带来了约1.5亿美元的收入。

bring in：带来，收入，进款，挣得。

of around $150 million：大约1.5亿美元，作定语修饰 weekend。

按照英美人的思维习惯，也可以把a weekend of 理解为量词，作 around $150 million 的定语。例如：

have a day of rest

after a week of negotiation

after a month of hard work

a year of school

after five days of work