didn't understand
They didn't understand the sentence.
चक्कर क्या है, कुछ समझ में नहीं आया।
What's going on? I didn't understand any of it.
— Sholay (1975)
न, वह तो नहीं करूँगा पर मेरी समझ में नहीं आया।
No, I won't do that, but I didn't understand.
— डाई हार्ड (1988)
I didn’t understand the question.