1·The offer seems to be on the up and up.
出价似乎越来越高。
—— 《牛津词典》
2·The club has been on the up and up since the beginning of the season.
从本季开始，这个俱乐部便日益欣欣向荣。
—— 《牛津词典》
3·You can take his word for it. He has always been on the up and up.
你可以相信他的话， 他一向老实可靠。
—— 《新英汉大辞典》
4·Mary, don't think everyone is on the up and up with you.
玛丽，不要以为每个人都对你很诚实的。
5·Up and up. The snow was now reaching right over my boots.
上啊上，现在雪已经齐了我的靴子了。
6·It flew into the air up and up and then came to rest on the counter.
它飞到空中，向上再向上，最后停在台子上。
7·Prices went up and up in recent years, before the housing bubble burst.
最近几年价格陆续上涨，直到房价泡沫戳破。
8·The ever decreasing amount of dial-up Internet users continues to push acceptable image sizes up and up.
拨号上网用户数量已经逐年减少，可接受的图像尺寸已经越来越大。
9·Though I have absolutely no evidence that these folks are not on the up and up, I do have a few questions.
虽然我没有确凿的证据指出这些家伙是在煽风点火，而我确实有几个疑问。
10·New safety rules issued by Washington after the accident drove the cost of reactors up and up, and no new plants were ordered for 30 years.
事故后华盛顿颁布的新安全条例迫使反应堆成本一升再升，此后30年再无新的(核电)工厂出现。