— Execuse me. Can we adjust the attitude?
拜托，态度能不能好点？
— I'm sorry. It's a busy day. My personal life is hanging by a thread, that's all.
抱歉，我今天太忙了。我的个人生活岌岌可危，所以……
——《时尚女魔头》

hang by a thread:

If something hangs by a thread, it is in danger, and likely to fail in the near future.
"hang by a thread"的表达和中文中的岌岌可危、千钧一发十分相似。

Examples

The British Antarctic Survey said the ice shelf was "hanging by a thread.
英国南极调查声称冰盖正处于千钧一发的状况。
For some time after he dangerous operation,Keren's life hang by a thread.
在她作了有危险的手术后的一段时间时凯伦的生命处于垂危之中。
Roberta was told that her job hung by a thread, and she needed to be more serious about it. For several days after the accident, his life hung by a thread.
Roberta得知她的工作正处于危机之中，她需要对此更认真一些。在事故后的几天，他命悬一线。
Peace and democracy hang by a thread in this troubled country.
在这个动乱的国家，和平和民主危在旦夕。