恐怕我不能去上海了.
be afraid that 认为……
be afraid of + (名词)v-ing害怕,恐怕
eg:
Don't be afraid of looking and status.
怕样子,地位,身份不配吗?
I think Mom might be afraid that if I'm not the best.
我想妈妈是担心如果我不是最好的.