No smoking and spitting! Please keep clean and tidy. If you have waste, please put it into the plastic bags.

请勿吸烟，请勿吐痰，如果你有废纸或其他垃圾，请放进塑料袋里。

youdao

Smoking, spitting and littering are strictly forbidden inside the station for your and others' health concern;

各位乘客您好：为了您和他人的健康，请不要在车站内吸烟、吐痰和乱扔废弃物；

youdao

However, in this scene (as in several others) the playwright succumbs to the temptations of parody, and a miscast Haydn Gwynne towers over the queen in the manner of the celebrated shaving-and-cigar-smoking "Spitting Image" caricature of the Iron Lady.

WSJ: Review: Taking Tea with the Figurehead | 'The Audience' at the Gielgud Theatre in London