アンドロイドの表情や動きが不自然って英語でなんて言うの？

「アンドロイドの表情や動きが不自然」＝　an android's features and movement are unnatural / androids have unnatural facial expressions and movement

ボキャブラリー
features/facial expression ＝　表情
movement ＝　動き
unnatural ＝　不自然

「姿形は、人間にかなり近づいて来ているけれど、なんか変なんです。顔や体の動きがギクシャクしていて魂がない、やはりロボットとしか見れない」＝ Androids are getting closer to looking like humans but there is still something strange about them. Their movements are jerky and they don't have a soul. They are obviously just robots.