"It's the lowest point of my life." or "I'm at the lowest point of my life." What do they mean?

Question

"It's the lowest point of my life." or  "I'm at the lowest point of my life."   What do they mean?

Answer

Example : 
How do you get through when you are in you're the lowest point of life?

Answer

the worst moment of a situation or activity OPP high point The low point in my life was when I was hit by a drunk driver. low point.

Answer

In English, he has a very difficult peroid to get through.
In Chinese, "他正在人生的低潮期"

Answer

He's having a bad day.

Actually, this can't be difficult to understand. Clearly from the book or whatever you are reading, the person who said this must be feeling depressed.