英语习语：

under the weather 身体不适，生病

——It's good to see you, Mary. How have you been? (看见你真高兴，Mary。你好吗？)
——Actually I have been feeling under the weather recently. (其实这两天我身子不大舒服。)

双语例句：
If you know that he's been under the weather, you might ask him how he's feeling.
如果你知道他一直身体不适，你或许可以问他感觉如何。

When we see others who seem under the weather, we experience a powerful emotional response—disgust—and do our best to avoid those who might be contagious.
看到其他身体不舒服的人时，我们会有强烈的情绪上的反应，那就是厌恶。 并且我们还尽力躲着他们，以免会传染。