Old acquaintances welcomed him joyously, and new ones were proud to shake him by the hand.

老相识们兴高采烈地欢迎他，新朋友们也以和他握手为荣。

youdao

You know, new clothes are best, and so are old acquaintances. I think, you'd better go back.

衣不如新，人不如旧，依我看来，你还是回去好些。

《新英汉大辞典》

We talked as if we were old acquaintances.

我们就好像是老相识般谈话。

youdao

Instead of sending in faded black and white pictures of long-lost friends, a growing number of silver surfers are turning to sites like Friends Reunited to track down old acquaintances.

BBC: Janet Thorpe

Among owners who have had horses with Channon are old colleagues and acquaintances from his footballing days, including Kevin Keegan, Chris Cattlin, Sir Alex Ferguson and the late Alan Ball.

BBC: Royal Ascot 2010: the Radio Berkshire guide

Yesterday, many old friends and new acquaintances asked us how they could help, and I thought it might be useful if I discussed the ones we know about here in a blatant attempt to get your input and insights.

FORBES: 6 Ways You Can Help Scoble & Me Write 'Age of Context'