敲门的家伙

knocking out───原子位移；击出

knocking up───使……筋疲力尽；敲门唤醒

knocking copy───贬低竞争者的广告

knocking off───击倒；停工；中断

knocking on───手球

knocking about───漫游，漂泊；殴打

knocking back───喝下；阻止

he needs to humbly express his thanks for Robin Soderling, the guy who cleared his path to the French Open title by knocking out Rafael Nadal in the fourth round back in June.───他应当谦恭的感谢罗宾·索德林，6月份，索德林在法网第四轮干掉了拉斐尔·纳达尔，为费德勒的法网头衔扫清了道路。