全文 The whole conversation, with pinyin and English
振宇：爷爷，我可以喂金鱼吗？
yé ye wǒ kě yǐ wèi jīn yú ma
Zhenyu: Grandpa, can I feed the goldfish?
爷爷：可以，可是只能放一点点鱼食。
kě yǐ kě shì zhǐ néng fàng yì diǎn diǎn yú shí
Grandpa: Yes, but only put in a tiny bit of fish food.
振宇：为什么不能多放一点？金鱼好像很饿。
wèi shén me bù néng duō fàng yì diǎn jīn yú hǎo xiàng hěn è
Zhenyu: Why can't I put in more? The goldfish look hungry.
爷爷：吃太多，金鱼会生病。吃不完的鱼食也会把水弄脏。
chī tài duō jīn yú huì shēng bìng chī bu wán de yú shí yě huì bǎ shuǐ nòng zāng
Grandpa: If they eat too much, goldfish get sick. Food they can't finish also makes the water dirty.
振宇：原来是这样。我放一点点就好。
yuán lái shì zhè yàng wǒ fàng yì diǎn diǎn jiù hǎo
Zhenyu: Oh, I see. I'll just put in a tiny bit.
爷爷：你看，水有一点绿了。明天我们一起洗鱼缸吧。
nǐ kàn shuǐ yǒu yì diǎn lǜ le míng tiān wǒ men yì qǐ xǐ yú gāng ba
Grandpa: Look, the water's a bit green. Let's clean the fish tank together tomorrow.
振宇：好啊！洗鱼缸的时候，金鱼要放在哪里？
hǎo a xǐ yú gāng de shí hou jīn yú yào fàng zài nǎ lǐ
Zhenyu: OK! Where do the goldfish go while we clean the tank?
爷爷：先把它们放进一个大碗里。对了，你给它们取名字了吗？
xiān bǎ tā men fàng jìn yí gè dà wǎn li duì le nǐ gěi tā men qǔ míng zi le ma
Grandpa: First we put them in a big bowl. Oh yes, have you given them names?
振宇：还没有。红色的叫“小红”，黑色的叫“小黑”，好不好？
hái méi yǒu hóng sè de jiào xiǎo hóng hēi sè de jiào xiǎo hēi hǎo bu hǎo
Zhenyu: Not yet. The red one can be 'Xiaohong' and the black one 'Xiaohei'. OK?
爷爷：好名字！小红、小黑，吃饭了！
hǎo míng zi xiǎo hóng xiǎo hēi chī fàn le
Grandpa: Good names! Xiaohong, Xiaohei, dinner time!