fella

例句：

1. 1. I've known him for years and we're just good friends.
   我认识他很多年了，我们只是好朋友。
2. 2. She's a great friend to have around.
   有她在真是太好了。
3. 3. They've been friends for over 50 years now.
   他们现在已经是多年的朋友了。