她同孩子们一起嘻嘻哈哈地说笑话。

She was laughing and joking with the children.

《牛津词典》

他稍微有点烦恼的是，一对太过于完美的配偶的忸怩作态可能要比嘻嘻哈哈的夫妻留下深刻的印象。

His only tiny worry was that a too perfect couple might come across as more cutesy than ha-ha funny.

youdao

这可能是后面我让考官哈哈大笑的原因，因为本身我也不太“正经”，平时和别人交往也是嘻嘻哈哈的。

Maybe that is why I could make the interviewer laugh happily. Actually I am not a very serious man in life and often play around with my friends.

youdao