I'm running out of ways to act excited.

我对于表现出兴奋已经黔驴技穷。

Well, I'll write to Murray. -He won't say anything different.

我会写信给马瑞。-他也黔驴技穷。

I've pawned everything that I can imagine, and now I'm just at my wit's end.

我典当所有能典当的东西，现在我已经黔驴技穷。

She's running scared. What she did to Jenna was desperate. She's out of tricks.

她现在战战兢兢的。走投无路才对珍娜那样。她黔驴技穷。

I'm at my wits' end, so I can't come up with any good ideas to solve this problem.

我已经黔驴技穷，想不出任何点子来解决这个问题。

I went to go look for Isobel, and I got John instead. He said he could help us, and we're desperate.

我本来是去找伊泽贝尔的，可却找到他。他说他能帮我们，并且我们已经黔驴技穷。