This coat is my dearest one.

这件外套是我最贵的一件。

youdao

My dearest one, Alex and his aide-de-camp, who is the son of Lord Templemore, have left us after staying two nights.

亚历克斯和他的副官坦普莫尔勋爵的儿子，到我们这里来呆了两个晚上。

youdao

He's one of my dearest friends.

他是我最亲密的一位朋友。

《牛津词典》

Her husband, Secretary of Veterans Affairs Eric Shinseki, is doing a terrific job and Patty has become just one of my dearest friends and just always a spot of courage in a sea of work. (Laughter.) So where's Patty?

WHITEHOUSE: The First Lady Celebrates Women in the Military