Translation of "Disapproval" in Japanese

They communicate disapproval by shaking their heads.

首を横に振ることで不承認を与える。

He showed his disapproval by raising an eyebrow.

彼はまゆを上げて難色を示した。

My doctor is shaking his head in disapproval,

医者は首を横に振りながら 言っていました

But Victor did not hide his disapproval  of Napoleon’s quest for political power,  

しかし、ビクターはナポレオンの政治権力の探求に対する彼の不承認を隠さず