His wish is world peace.
願いが叶って嬉しい。
I'm happy my wish came true.
A formal or earnest appeal directed at someone, often in official or serious contexts.
市長に直接願いを申し入れた。
We made a direct plea to the mayor.
彼の願いを聞き入れることにした。
We decided to grant his request.
A religious or spiritual supplication, often directed to a deity.
神社で願いをかけた。
I offered a prayer at the shrine.
彼女は毎晩、神に願いを捧げる。
She offers a prayer to God every night.
written application; written request
Only when written 願
Used as a suffix in compound nouns to indicate a formal written application or request form. Often written as 願.
退職願を提出した。
I submitted a letter of resignation.
この書類は休暇願です。
This document is a leave application.
He fulfilled my wish for me.
Her wish finally came true.
The letter was filled with hopes for his family.
The teacher listened to the student's request.
He submitted a request for a transfer to the company.
I made a wish to the god at the shrine.
願い specifically means a wish or request, while 思い can express a wish among many other kinds of thought or feeling.
cancellation; withdrawal · refusing; begging off; asking to be excused
request; apply for; submit a request