“谈笑”常见的英文表达有 “chat and laugh” 或 “talk and laugh”，侧重描述边交谈边欢笑的轻松场景；若想更凝练地表达“谈笑风生”的意境，可用 “converse with ease and laughter” 或 “chat animatedly with laughter”。以下为具体分析：
chat and laugh / talk and laugh
含义：强调边交谈边欢笑的轻松状态，适用于日常描述轻松的交流场景。
例句：They sat there chatting and laughing all evening.（他们整个晚上都坐在那里谈笑风生。）
converse with ease and laughter
含义： “converse” 比 “chat” 或 “talk” 更正式一些，“with ease and laughter” 突出了交谈的轻松自然以及伴随的笑声，整体表达更具文采。
例句：During the dinner party, they converse with ease and laughter, enjoying each other's company.（在晚宴上，他们谈笑风生，尽情享受彼此的陪伴。）
chat animatedly with laughter
含义： “animatedly” 意思是“活泼地、生动地”， “chat animatedly with laughter” 形象地描绘出交谈时充满活力、欢声笑语的情景。
例句：The children were chatting animatedly with laughter in the playground.（孩子们在操场上谈笑风生，充满活力。）