zhè ge / xiàng mù / zhǐ shì / xiǎo shì niú dāo / tā / zhēn zhèng / de / néng lì / hái / méi yǒu / fā huī / chū lái

这个项目只是小试牛刀，他真正的能力还没有发挥出来。

This project is just a small trial; his real ability hasn't been fully shown yet.