He feigned interest in the movie, but he didn't like it at all.

feigned 是动词 feign 的过去式形式。feign 的意思是"假装、佯装"，通常指为了欺骗或掩饰真实感受而故意表现出某种样子。这个词来自古法语，带有"虚构、伪造"的含义。