恐怕的英文：
I'm afraid that
perhaps
I think

参考例句：

I'm not sure I'm skilled at playing football.
恐怕我不善踢足球。

I am not sure I ' m skilled at playing football.
恐怕我不擅于踢足球。

I'm afraid it goes against the usual commercial practice not to allow a commission.
不给佣金恐怕有悖于商业惯例吧。

I am afraid I won't be able to visit you on Saturday.
恐怕我无法在星期六来拜访您了。

I'm afraid our opinions diverge from a common starting point.
恐怕我们出发点相同，意见有点分歧。

I'm afraid I've no idea where he's gone.
恐怕我不知他去哪儿了。

No, I'm afraid they only sell soft drinks.
不供应，恐怕也就卖点软饮料。

I'm afraid I could not agree with you for such a big discount.
恐怕我不能同意给你这么大的折扣。

My gardener is over seventy-five and I'm afraid he's getting past it.
我的园丁已超过75岁，恐怕已力不从心了。

My name is Yang and I checked out of your hotel this morning. I'm afraid I left some documents in my room.
我姓杨，今天早上从你们旅馆结账退房，我恐怕把一些文件遗忘在房间里了。

afraid是什么意思：
adj. 抱歉的；害怕的；担心的，生怕

Are you afraid of spooks?
你怕不怕鬼?

Are you afraid of snakes?
你怕蛇吗?

The student was afraid of the strap.
这个学生很害怕皮条。

perhaps是什么意思：
adv. 可能，大概，也许

But perhaps not for long.
但这并不会持续太长时间。

Perhaps they'll show up.
也许他们会露面。

You allude perhaps to the entail of this estate.
你大概是说产业的继承权问题。

think是什么意思：
v. 认为；想；琢磨；试想；预期；一心想；计划；记得

I think and think and cannot cease from thinking.
我想了又想，一直想个没完。

Think of solar power, and you probably think of photovoltaic panels.
当考虑到太阳能，你一定会想到光伏电池板。

Do you think it will rain? -- Yes, I think so.
你看会下雨吗？是的，我想会下雨。