[Ask ] please help me to correct this sentence

[markeros ()]

"Perhaps only I know how her life is bitterly."

My classmate wrote this sentence. I think it has some problem

but I don't know how to correct it, please help me


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推 djviva:maybe...Perhaps I'm the only one who knows how bitter
→ djviva:her life is
推 djviva:and "how hard" may be better than use "how bitter"
推 markeros:thanks a lot