be at a loss

I'm at a loss.

私は途方に暮れています

I'm suddenly at a loss.

私は突然途方に暮れています

I'm suddenly at a loss because I got lost in a town I don't know.

私は突然知らない町で道に迷い途方に暮れています

I'm suddenly at a loss because I got lost in a town I don't know and my phone battery died too.

私は突然知らない町で道に迷い携帯電話の電池まで切れ途方に暮れています

I'm suddenly at a loss because I got lost in a town I don't know, my phone battery died, and there is no one to ask.

私は突然知らない町で道に迷い携帯電話の電池まで切れ尋ねる人を見つけるのが難しく途方に暮れています