新店开业那天,员工忙得不亦乐乎,却仍然保持笑容。Xīn diàn kāiyè nà tiān, yuángōng máng de búyìlèhū, què réngrán bǎochí xiàoróng.On the day the new shop opened, the staff were extremely busy but still kept smiling.
孩子们在雪地里玩得不亦乐乎。Háizimen zài xuědì lǐ wán de búyìlèhū.The children played in the snow to their heart's content.
他们聊得不亦乐乎,连饭都忘了吃。Tāmen liáo de búyìlèhū, lián fàn dōu wàng le chī.They were chatting away so happily that they forgot to eat.