at a loss (meaning)
I would like to know the meaning of "at a loss" in the following context.

I had a friend, a girl. One day I asked her to stop being friends. So she sent me a message saying:

"Only God will know who is at a loss here... hmm is it you who loses the potential of having a good friend or is it me ?"

What is "at a loss" expressing? I wonder if it is expressing something like "in trouble".

Question

at a loss (meaning)
I would like to know the meaning of "at a loss" in the following context.

I had a friend, a girl. One day I asked her to stop being friends. So she sent me a message saying:

"Only God will know who is at a loss here... hmm is it you who loses the potential of having a good friend or is it me ?"

What is "at a loss" expressing? I wonder if it is expressing something like "in trouble".

Answer

The phrase 'at a loss' is wrong here. She is using the phrase incorrectly. If somebody is 'at a loss', it means that they don't know what to do.

The right phrase would be, for example, 'who is the loser' in this situation: you or her.

Answer

Here It means that it’s not clear who lost something by stopping the friendship . :)

Answer

It means: ...who has lost here ... 
As usual “to be at a loss” means “to be confused”

Answer

The correct meaning of "at a loss" is to have no idea.  You try to gain an understanding, but fail. When you fail to gain understanding, you are at a loss.  The thing you lose is your effort spent trying to gain understanding.  The sentence you gave sounds like an incorrect usage.  I think "who is losing" was intended.

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