Feeling very frustrated or upset because one does not know what to do

अत्यधिक निराशा और असमंजस की स्थिति में होना

English Usage: She was at wits' end trying to figure out how to solve the problem.

Hindi Usage: वह समस्या का हल ढूंढ़ते-ढूंढ़ते असमंजस में हो गई थी।