be afraid of v.害怕，担忧; 怖
There's no reason apple would have to be afraid of suing google directly.
苹果完全没有理由害怕与谷歌直接对簿公堂。
Don't be afraid of ditching something you might need in the future.
不要担心你抛弃了一些在未来仍可能会用到的东西。

think through 思考后得出结论
Think through why you deserve a promotion.
考虑好你为什么应该获得升职。
Think through I realize that it was my mistake after I have thought the whole thing through.
我仔细想了下整件事情之后，认识到错在于我。