beef sth up — phrasal verb with beef verb [ I ] informal UK /biːf/ US /biːf/ to make something stronger or more important 加強；充實We need to find... ... <看更多>

http://www.iswearenglish.com/ An explanation of the phrasal verb to beef up meaning to increase or to make stronger.To beef up is a ... ... <看更多>

Zuckerberg should be focused on hiring thousands more staff to help target harmful content on its site before building a new one that will ... ... <看更多>