1. He was big and stout for his age, with a large face and an unhealthy skin.
    从年龄上看，他不该长得这么肥胖粗大。他脸盘很大，而肤色灰白。

2. He made some routine observations upon the unhealthy effect of the night breeze at that season.
    他照例说了些诸如这个季节的夜风对身体不好之类的话。

3. Since then, every society has had to figure out what to do with its waste — something that is usually unhealthy, smelly, and ugly — throwing garbage in the streets, piling it up just outside of town, building it into structures or simply setting it o
    此后，每个社会都要想办法解决垃圾问题——处理那些通常是有害的、难闻的、难看的东西——要么把垃圾扔到街上，要么堆在城外，要么掺在建筑结构里，要么干脆付之一炬。