she examined my costume minutely

before declaring in the winter

It seems like you're providing a sentence for me to explain. The sentence you provided is, "She examined my costume minutely before declaring in the winter." It appears to be a sentence describing an action taken by a person, likely examining a costume closely, followed by a declaration made during the winter season. However, the meaning of the sentence may depend on the context or the intention behind it.

To understand the intent behind the sentence, it is essential to consider the surrounding sentences or the overall narrative or conversation where this sentence is used. Additionally, if you have a specific question or clarification regarding the sentence, please let me know, and I'll be happy to help further.