Meaning of nǎo hǎi:
nǎo hǎi
脑海
Noun
the mind; the brain
Tā de shēngyīn zài wǒ de nǎohǎi zhōng huī zhī bù qù.
他的声音在我的脑海中挥之不去。
His voice lingers in my mind.
Dāng wǒ tīngdào zhè shǒu gē, xǔduō huíyì yǒng shàng wǒ de nǎohǎi.
当我听到这首歌,许多回忆涌上我的脑海。
When I hear this song, many memories flood my mind.