对于我们来说, 她们是我们生活的阴暗面和光明面.For us, they are our back and front of life.挫折使他遇事只看其阴暗面.Frustration predisposes him to look on the dark side of things.他们偏不去注意他的阴暗面.They chose to ignore his dark side....

“阴暗面”的英语可以翻译为：the seamy side，[法] ugly fact of life ...