当朋友来信告知你她的父亲逝世，你可以使用以下英文来安慰她：

表达哀悼之情

"I am deeply saddened to hear about the loss of your father. Please accept my heartfelt condolences."

"I am sorry to hear the news of your father's passing. My thoughts are with you and your family during this difficult time."

回忆与赞美

"I remember your father fondly. He was a remarkable man with a strong presence and kind heart. His legacy will live on through you and your family."

提供支持与安慰

"I am here for you if you need anything. Please know that you are not alone in this grief. Take care of yourself and seek comfort in the memories of your father."

鼓励与希望

"Although it is a great loss, I believe your father would want you to be strong and continue to cherish the good memories he left behind. He will forever be in your heart."

尊重信仰与安慰

"If your father's passing brings you comfort in your faith, know that he is resting in peace and may be watching over you from heaven."

这些表达方式既简洁又诚挚，适合用来安慰朋友失去父亲的心情。希望这些建议对你有所帮助。