not to mention

副词 not to mention:

1. much less
   同义词：let alone

1. He is handsome and smart, not to mention being a good athlete.
   他长得帅，人又机灵，并且是一位运动健将。
2. He has a big house and an expensive car, not to mention a villa in France.
   他有一所大房子和一辆昂贵汽车，且不说在法国还有一座别墅了。
3. We can't afford a car, not to mention the fact that we have no garage.
   我们买不起汽车，没有车库的事就更不必说了。
4. The school's audio-visual apparatus includes a new set of multi-media device, not to mention films, records, etc.
   这所中学的视听设备包括一套新的多媒体装置，更不用说电影、录音等设备了。