He let the ball slip through his grasp and into the net.

球从他的掌中滑出，钻进了球门。 

2.in front of 在..前面

We had our picture taken in front of the hotel.

我们在旅馆前照了相。 

3.intelligence service 情报机关

Our Intelligence Service was untrained, cumbersome, and almost wholly ineffectual.

我们的情报部门人员缺乏训练，机构臃肿，简直毫无用处。