1. He was often criticized for being a doughface, constantly changing his opinions to please different interest groups.

他经常因为变换意见来取悦不同的利益集团而受到批评。

2. The senator was accused of being a doughface, as he seemed to be easily swayed by the opinions of others and never took a firm stance on important issues.

这位参议员被指控是一个政见摇摆不定的人，因为他似乎很容易受到他人意见的影响，在重要议题上从未坚定立场。