你好
nǐ hǎo · hello
In connected speech often ní hǎo.
nǐ hǎo · hello
In connected speech often ní hǎo.
bú kèqi · you're welcome
不 rises before 客.
duìbuqǐ · sorry
The middle syllable stays light and quick.
wǒ bù zhīdào · I don't know
Keep the final falling tone decisive.