A: 好久不见，你瘦了好多啊！ Hǎo jiǔ bù jiàn, nǐ shòu le hǎo duō a! Long time no see. You are much thinner! B: 我为了减肥，吃了很多苦。 Wǒ wèi le jiǎn féi, chī le hěn duō kǔ. I've suffered a lot in order to lose weight ...