hái / zi / men / yì / tīng / shuō / kě / yǐ / dǎ / zhěn / tou / dà / zhàn / jiù / xīng / fèn / de / pǎo / jìn / fáng / jiān

孩子们一听说可以打枕头大战，就兴奋地跑进房间。

As soon as the children heard they could have a pillow fight, they excitedly ran into the room.