My friend here saw it happen.

　　我的這位朋友目睹了事情的經過。

　　I really value him as a friend.

　　我真的把他視為好朋友。

　　I caught him snogging my friend.

　　他正吻我朋友，讓我給撞見了。

　　You're supposed to be my friend!

　　你還是我的朋友呢！

　　She's a very special friend.

　　她是我特別要好的朋友。