sunbaby8893
她懂得法语,英语更不用说。She knows French,not to speak of English.院子里已经是一团糟,更不用说房子了The yard is a mess, to say nothing of the house.那老头几乎不能行走,更不用说跑了。The old man can hardly walk,much less run.我根本就没有责怪任何人,更不用说你了I'm not blaming anyone,much less you.我根本就没有责怪任何人,更不用说你了I'm not blaming anyone, much less you.我走都走不得,更不用说跑了。I can't walk,never mind run.他得入狱一个月,更不用说罚款了。He have to go to prison for a month,to say nothing of the fine.他不懂英语,更不用说德语或法语。He do not know English,to say nothing of german or French.你几乎不懂英语,更不用说法语了。He can Hardly understand English much less French.他们自己就是纸老虎,更不用说他们的走狗了。They are themselves a paper tiger,not to mention their stoogesSAY NOTHING OF

kiss小妮妮
to say nothing of...eg: 他连英语都不懂,更不用说法语和德语了。He knows no English, to say nothing of French or German.
莎菲娜娜
...not to mention writing an English article; ...let alone writing an English article