把孩子托付给他们，她心里七上八下的。
我心里七上八下的。
上一年级的第一天，我站在门口，心里七上八下。
On the first day of my first grade, I stood by the door with butterflies in my stomach.
我心里七上八下的！我今天在网络上看到了关于千禧虫的消息。吓死人了！
I 'm so anxious! I saw some news on the net today about the y2k bug. It' s terrifying.
这些天，她的的确确是睡在一个英俊的不可思议的裸男的怀抱中，每天过着七上八下、血脉愤张的生活。
Is these days of, she actually is sleep at a handsome unimaginable naked male of embrace in, live seven up the life of eight times, blood inflame piece each day.
达西先生的心里被两种情感弄得七上八下：一方面爱慕她那步行之后的鲜艳的脸色，另方面又怀疑她是否值得为了这么点儿事情独个儿打那么远赶来。
The former was divided between admiration of the brilliancy which exercise had given to her complexion, and doubt as to the occasion's justifying her coming so far alone.
又过了一个小时-仍不见有人来，姐妹俩心里开始七上八下，一会儿担心母亲被暴风雪耽搁，一会儿又担心路上发生意外，更害怕华盛顿那边发生什么不测。
Another hour - still no one came; and anxious fears of delay in the storm or accidents by the way, or, worst of all, a great grief at Washington, haunted the poor girls.
婚礼期间，这两位新人心里一定会十五只吊桶打水——七上八下（注1），因为这次航程将有15次过山车式的俯冲，持续时间30秒。这种飞行方式，用航空专业术语说，叫做抛物线弧形俯冲。
The newlyweds are sure to have butterflies in their stomachs because the trip includes 15 rollercoaster-type dives, known as parabolic arcs, which last up to 30 seconds.
婚礼期间，这两位新人心里一定会十五只吊桶打水——七上八下（注1），因为这次航程将有15次过山车式的俯冲，持续时间30秒。这种飞行方式，用航空专业术语说，叫做抛物线弧形俯冲。
The newlyweds are sure to have butterflies in their stomachs because the trip includes 15 rollercoaster-type dives, known as parabolic arcs, which last up to 30 seconds.
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