i believe mr. smith has already talked to you about us.
yes, he certainly has.
i believe mr. smith has already mentioned us.
mr. smith told you about us, i believe.
what did you want to see me about?
the reason i'm here is this.
what i wanted to see you about was ...
i'm here to see you because ...
i was in the neighborhood.
well, come on in.
neighborhood “就近”、 “附近”。in the neighborhood “在附近”。
i happened to be in the neighborhood.
happen to ... “偶然……”、 “正好……”。
i was just in the area.
area “地域”、 “地方”。
do you need something?
no, i just wanted to say hello.
say hello “问好”、 “打招呼”。