In the case for women they turn off their cameras because they're embarrassed they're not wearing make up.
「○○の場合」は英語で「in the case of ○○」と言います。○○のところ、名詞(具体的に女の子とか男の人とか高齢者)を付けます。
レッスン中にカメラをオフするという場面で、
In the case for women they turn off their cameras because they're embarrassed they're not wearing make up. 「女の人の場合、メイクしてなくて恥ずかしいので、カメラをオフする」
In the case for elderly they turn off their cameras because they're not used to showing their face.
「年寄の場合、自分の顔を映ること慣れてないので、カメラをオフする」