🗣️ 情景例句
That idea would never work in practice.
那种设想永远实现不了。
It's nothing. Don't mention it.
区区小事，何足挂齿。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。