1. bearing witness to 见证着
On top of the desk sat a gold-framed picture bearing witness to her prime.
书桌上放著一张镶金框的照片见证著她往日的青春（美貌）,2TCVI#D&@+。

2. speak out 畅所欲言
To be allowed to speak out is one of the democratic principles to be observed.
允许大家畅所欲是应该遵循的民主原则之一!#&ZU*WS&j|^_)Fc+ok。

3. make common cause with 联合；与……协力合作
I agree, and this is an area where M. S. could make common cause with conservatives.
我完全同意q-v3CeFo;zcYj,E+&gMT。在这方面，国会议员可以和保守派携手合作JEsz1EtoZlPTQR。

4. be defined by 界定；定义
That climate was defined by unipolar American naval power and a quiescent North Korea.
这一气候的特征是美国海军一枝独秀以及朝鲜的悄然沉寂^dA@MNH&M2Z。