Translation of "Gloomy" in Chinese

The future looked very gloomy.

前途一片阴暗。

The smoggy air of Beijing makes me feel gloomy.

北京的雾霾天气让我心情不太好。

Even when you think about it in a very commonsensical way, a life without laughter is gloomy and cold. Furthermore, it is thought to be unhealthy.

即使你从常识的角度来考虑，没有笑容的人生很冷酷很惨淡。还有的确不健康。