这份方案的论证相当拙劣,甚至连基本数据来源都没有说明。Zhè fèn fāng'àn de lùnzhèng xiāngdāng zhuōliè, shènzhì lián jīběn shùjù láiyuán dōu méiyǒu shuōmíng.The argument in this proposal is quite poor, and it does not even explain the basic data sources.
他的模仿太拙劣了,大家都看出来了。Tā de mófǎng tài zhuōliè le, dàjiā dōu kàn chūlái le.His imitation was too clumsy; everyone could tell.
他用拙劣的借口想请一天假,老板没同意。Tā yòng zhuōliè de jièkǒu xiǎng qǐng yī tiān jià, lǎobǎn méi tóngyì.He tried to take a day off with a flimsy excuse, but the boss did not agree.