Meaning of xǔ:
许
surname Xu
Tā de míngzì shì Lǐ Xǔ.
他的名字是李许。
His name is Li Xu.
to allow; to permit; to promise; to praise
Wǒ bù xǔ nǐ zài nàlǐ wán.
我不许你在那里玩。
I don't allow you to play there.
Tā xǔ wǒ qù cānjiā péngyǒu de pàiduì.
他许我去参加朋友的派对。
He permitted me to attend my friend's party.
Tā xǔ xiàle chéngnuò, huì nǔlì gōngzuò.
他许下了承诺,会努力工作。
He promised to work hard.
Tāmen de biǎoyǎn lìngrén jīngtàn, guānzhòng fēnfēn gěiyǔ gāodù de xǔkě.
他们的表演令人惊叹,观众纷纷给予高度的许可。
Their performance was astonishing, and the audience widely praised it.
somewhat; perhaps
Jīntiān de tiānqì yǒuxiē xǔ lěng.
今天的天气有些许冷。
The weather is somewhat cold today.
Wǒ míngtiān xǔ huì lái kàn nǐ.
我明天许会来看你。
Perhaps I will come to see you tomorrow.