全文 The whole conversation, with pinyin and English
妈妈：浩然，睡觉前要刷牙哦。
hào rán shuì jiào qián yào shuā yá o
Mum: Haoran, you need to brush your teeth before bed.
浩然：妈妈，我好累，明天再刷吧。
mā ma wǒ hǎo lèi míng tiān zài shuā ba
Haoran: Mum, I'm so tired. Can I brush tomorrow?
妈妈：不行，糖果会留在牙齿上。
bù xíng táng guǒ huì liú zài yá chǐ shang
Mum: No. The sweets will stay on your teeth.
浩然：好吧。牙膏要挤多少？
hǎo ba yá gāo yào jǐ duō shao
Haoran: OK. How much toothpaste do I squeeze?
妈妈：挤一点点，像豆子一样大。
jǐ yì diǎn diǎn xiàng dòu zi yí yàng dà
Mum: Just a little, the size of a pea.
浩然：我刷好了！
wǒ shuā hǎo le
Haoran: I've finished brushing!
妈妈：太快了！上面下面，里面外面，都要刷。
tài kuài le shàng miàn xià miàn lǐ miàn wài miàn dōu yào shuā
Mum: Too fast! Top and bottom, inside and outside, you need to brush them all.
浩然：要刷多久呢？
yào shuā duō jiǔ ne
Haoran: How long do I have to brush?
妈妈：两分钟。我们一起唱一首歌。
liǎng fēn zhōng wǒ men yì qǐ chàng yì shǒu gē
Mum: Two minutes. Let's sing a song together.
浩然：唱完了！妈妈你看，我的牙齿白白的！
chàng wán le mā ma nǐ kàn wǒ de yá chǐ bái bái de
Haoran: The song's finished! Look, Mum, my teeth are nice and white!