英语“上厕所”有很多种说法：go to the bathroomuse the toiletanswer the call of nature/ nature's call“响应大自然的召唤”非正式的，有调侃的意味，最好在熟人和朋友之间使用。I had to get up in the middle of the night to answer the call of nature.我得大半夜起来去响应大自然的召唤（上厕所）。He went to answer the call the nature.他去上厕所了。A：Where are you going? 你干嘛去？B：Nature's call.大自然在召唤。