knock＋什么介词

knock＋介词on，at，into，about ，knock about的中文意思是v，漫游，漂泊殴打，敲来敲去

The business will knock about 5 per cent off Lenovo's full-year earnings per share， including the slight dilution from the shares issued to IBM.该业务将令联想的全年每股盈利削减5%，包括向IBM发行股票后造成的轻微稀释。