She had short brown hair and a pale complexion.

她留着褐色短发，皮肤白皙。

...those with acne or oily complexions.

脸上有粉刺或油性肤质的人

...her flawless complexion.

她光洁的面部皮肤

Every time the political complexion of the government changed, so did the defence policy.

每当政府的政治性质发生变化，国防政策也会随之变化。

But surely this puts a different complexion on things.

但是这肯定让局势有了变化。