Wash one's hands只是go to the toilet(上厕所)的委婉说法，和例5中的powder one’s nose 有异曲同工之妙。
2
?去厕所
吃饭时，一接待人员说去方便一下(go to convenience once)，老外不解，旁人解释说他是去厕所(go to the toilet)。敬酒时，另一人说希望他下次出国能给予方便(give convenient)。
3
?上厕所去
...ed a United States latest trend of thought in the field of literature and advanced theories 上厕所去 ? Go to the toilet 我则认为这是不必要的，因为过生日还是应该和家人在家过比较好 ? I think this is unnecessary because the birthday also was a...
4
?去了卫生间
... 去年他妈妈把他送到了农村 ? Last year, his mother sent him to the countryside 去了卫生间 ? Go to the toilet 泰语语音I ? thai voice I ...