hái zi men / zài / hǎi biān / wán le / yí xià wǔ / gè gè / wú sī wú lǜ / xiào de / tè bié / kāi xīn

孩子们在海边玩了一下午，个个无思无虑，笑得特别开心。

The children played by the sea all afternoon, carefree and laughing happily.