Young man, unless you start turning in your assignments on time and pull up your test scores, I have to tell you that you are on thin ice in this class.
小伙子,我得告诉你,你现在在这个班里的学业情况很危险,除非你及时交作业而且提高你测验的分数。
Even then, the penguins are cautious; they stay in the water only long enough to feed, and they「re adept at remaining motionless when they」re on thin ice and spot a leopard seal.
Thank, in fact, more like pure winter morning by the bay Windows of the thin ice to bear away, as the transparent.
感谢,其实更如同纯洁的冬季早晨窗台下那所结出的细长冰溜,那样的透明。
He seemed satisfied with my description of how the machine works, but I was on thin ice because I don't really know much about it myself.
他似乎很满意我对机器操作的叙述,可是我却如履薄冰,因为我自己对那机器实在了解得不多。
Ice still fringes much of the land, but it is thinning. In many places, particularly around Banks Island, the land-bound sea ice is blue, pointing to thin ice or the presence of water on the ice.
在很多地方,尤其是班克斯岛周边,陆地边沿的海上浮冰是蓝色的,表明冰层较薄或浮冰上有水。
If you are not in a small group, you are skating on thin ice and you don’t know when you might fall through.
如果你没有在一个小集体里,那么,你的生活将会如履薄冰,你不知道何时会落入水中。
Some boys were skating on the thin ice when one of them fell through.