2 sentences

1. 没有人会出面帮助你。

   méi​yǒu​rén huì chū miàn bāng​zhù nǐ.

   No one will come forward to help you.

   Source: OpenSubtitles

2. 例如，如果她经常被某些孩子欺负，请老师出面干涉。

   lì​rú, rú​guǒ tā jīng​cháng bèi mǒu​xiē hái​zi qī​fu, qǐng lǎo​shī chū miàn gān​shè.

   For instance, if she is being bullied regularly by certain children, ask the teacher to intervene.

   Source: CCMatrix