大家都大声笑起来, 但我们心里仍然是七上八下.We all laughed, but our insides were still in knots.同时大声笑也有助于舒缓神经.Simultaneously smiles loudly is also helpful to the affable nerve.我大声笑.I laugh out loud....

“大声笑”的英语可以翻译为：cachinnate，LOL ...