Meaning of ō:
ō
噢
Interjection
oh; ah (used to indicate realization); also pr. [ou4]
Ō, wǒ wàngjì dài yàoshi le.
噢,我忘记带钥匙了。
Oh, I forgot to bring the keys.
Ō, wǒ wàngle dài yàoshi.
噢,我忘了带钥匙。
Oh, I forgot to bring the keys.
Ō, wǒ zhōngyú míngbai le.
噢,我终于明白了。
Oh, I finally understand.
Ō, wǒ wàngle dài yàoshi.
噢,我忘了带钥匙。
Oh, I forgot to bring the keys.
Ō, wǒ wàngjì dài yàoshi le.
噢,我忘记带钥匙了。
Oh, I forgot to bring the keys.
Ō, yuánlái nǐ yǐjīng dào le.
噢,原来你已经到了。
Oh, so you have already arrived.

