Word: 九牛一毛 (jiǔniúyīmáo) 九牛一毛 dictionary entry jiǔniúyīmáo one hair from nine oxen (idiom); a drop in the ocean Full dictionary entry for 九牛一毛 Example sentences using 九牛一毛 2 sentences, showing page 1 of 1. 九牛一毛是什么意思？ Jiǔniúyìmáo shì shénme yìsi? What does "one hair from nine oxen" mean? 我会的只是九牛一毛。 Wǒ huì de zhǐshì jiǔniúyìmáo. What I know is just a drop in the ocean.