banter|bantering

他们在咖啡休息时间互相打趣。

They ___banter with each other during coffee breaks.

他们一边喝咖啡一边互相开玩笑，气氛轻松愉快。

They were ___bantering over coffee, teasing each other in a lighthearted way.

他们之间的玩笑话让整个晚餐充满了欢乐。

Their friendly ___banter made the whole dinner full of joy.