1.slip through 鉆進
He let the ball slip through his grasp and into the net.
球從他的掌中滑出,鉆進了球門
2.in front of 在..前面
We had our picture taken in front of the hotel.
我們在旅館前照了相
3.intelligence service 情報機關
Our Intelligence Service was untrained, cumbersome, and almost wholly ineffectual.
我們的情報部門人員缺乏訓練,機構臃腫,簡直毫無用處