敲边鼓

zhè shì nǐ chū mǎ wǒ gěi nǐ qiāo biān gǔ

这事你出马，我给你敲边鼓。

You take up the matter and I'll back you up from the sidelines.

nǐ kě yǐ zài huì shang tí chū zhè jiàn yì wǒ zài páng biān gěi nǐ qiāo biān gǔ

你可以在会上提出这建议，我在旁边给你敲边鼓。

You present this proposal at the meeting and I'll back you up from the sidelines.