1. 她以前也作過這樣的許諾，但都不足信。
   She'd made such promises before, and they lacked conviction/didn't carry much conviction.
2. 他的許諾都是圈套和騙局。
   All his promises were snares and delusions.
3. 他們許諾說她要是參加就一定給她報酬。
   They promised to make it worth her while (ie pay or reward her) if she would take part.
4. 他許諾的都是空話。
   His promises were just so much meaningless talk.
5. 他們公司的董事長每次許諾必然會遵守諾言。
   The president of their company never makes a promise without intending to keep it.
6. 對于他的許諾我們全都不相信。
   We all disbelieved what he promised.
7. 這對情人互相許諾永不變心。
   The lovers promised to be faithful forever.
8. 政府許諾大幅減稅。
   The government promises to slash taxes.

許的英語翻譯：

諾的英語翻譯：