1.a symbol of 一个……的象征
Robert said: "Each image is a symbol of war or violence, such as a gun or a tank."
罗伯特说：“每幅图像都是一场战争或暴力行为的象征，比如一杆枪或一辆坦克。”

2.deep into 深入地
Yet we were captivated by this mysterious voice that somehow reached deep into our thoughts and memories.
但我们人被这神秘的歌声所吸引，不知怎么的，这个声音已经深深地印在了我们的脑海和记忆里。

3.break through 突围；突破
This financial software to foreign manufacturers formed a more difficult to break through market barriers.
这就对国外的财务软件厂商形成了较难突破的市场壁垒。