But amid all the congratulations, diplomats and observers noted with concern that in the end, only five heads of state were on hand for the summit, and only 17 of the 53 AU member states were prepared to sign the final document.

VOA: standard.2009.10.23

Congratulations, a lot of people put in the effort and there is some learning going on.

恭喜你们，有许多人花了很多精力,一直坚持学习。

麻省理工公开课 - 固态化学导论课程节选

Come on, congratulations. Your gang now was the street cred of a three-year-old.

加油，祝贺你，你们就像是一群三岁大的街头青年。

街头艺术 - SpeakingMax英语口语达人