act of hostility的用法和样例：
- Why should we exaggerate this case as an act of hostility?
- They regarded his refusal to accept their advice as an act of hostility.
- The beginning of all war may be discerned not only by the first act of hostility, but by the counsels and preparations foregoing.
- government-sponsored act of hostility
- This dreadful murder is surely the act of a madman.