我闭着眼睛都能做到。

10. I have every confidence in his promotion.

我相信他一定能升职。

11. I'm full of optimism for the future.

我对未来十分乐观。

12. I hold an optimistic view of events.

我看事情比较乐观。

13. There's no doubt we will win.

毫无疑问，我们会成功的。

14. There's nothing to worry about.

没有什么可担心的。

15. Everything will be fine./Things will turn out all right./Things will work out all right.

一切都会好起来的。

16. Everything will come up roses.

一切都会圆满结束的。