In Chinese, there are a lot of ways to say washroom. Like ‘洗手间、厕所、卫生间’and so on. The ones Crystal often used are ‘洗手间’and ’卫生间’. ‘洗手间(xi3 shou3 jian1)’ is like 'washroom' in English, literally meaning ‘the room to wash hands’. ’卫生间(wei4 sheng1 jian1)’’s literal meaning is hygiene room.