在这种情况下，它是不登大雅之堂的碳水化合物。
他的 祝酒词十分机智有趣，不过其中也有些不登大雅之堂的话。
His speech in reply to the toast was quite witty and entertaining, but parts of it were a bit near the bone.
我开始这一项目之一希望能最好地利用加湿器有一个大尺寸和不登大雅之堂的设计。
I started this project with one hope to make the best use of a humidifier having a large size and an unrefined design.
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