"restaurant" = "飯館"、"餐廳"
"hotel" = "旅館"、"飯店"
"酒店" is more like "club", the place you can order girls to drink with you, and also special service. ( I know nothing, don't ask me. )
"elevator" = "電梯"
I don't know the standard name of "escalator" in Chinese, but we normally call it "手扶梯" or "電動手扶梯" ( "手扶梯" is for short )