n.

1. 罗盘，指南针[C]
   The compass was first used in sailing.

   罗盘首先用在航海上。

2. （制图用的）圆规[P1]
3. 范围，界线；周围，界线[C][S1]
   Such things aren't within the compass of my power.

   这些事不在我力可能及的范围之内。

   Her actions went beyond the compass of proper social behavior.

   她的举动越出了正当的社交行为的范围。

4. 【音】音域

vt.

1. 图谋，计划
2. 围绕……而行，包围
3. 达到，获得
   He did everything within his power to compass his ends.

   他竭尽全力以求达到目的。

4. 理解，领会

n.

1. an instrument containing a magnetized pointer which shows the direction of magnetic north and bearings from it.
2. (also compasses) an instrument for drawing circles and arcs and measuring distances between points, consisting of two arms linked by a movable joint.
3. range or scope:
   the event had repercussions which are beyond the compass of this book.

v.

1. encircle or surround.
2. manage to accomplish.