Míngtiān xiàwǔ zhīqián wǒ huì bǎ tā wánchéng. I will finish it by tomorrow afternoon.
Zài míngtiān qián wánchéng bàogào jīhū shì bù kěnéng de. Finishing the report by tomorrow is next to impossible.
Yào wánchéng shíyàn, sān gè yuè tài duǎnle. Three months is too short a time to finish the experiment.
Wǒ zuò wán wǒ de gōngkè hòu, jiùdú zhè běnshū. I read the book after I had finished my homework.
Zài yītiān zhī nèi wánchéng tā jīhū shì bù kěnéng de. It's next to impossible to finish it in a day.
Rúguǒ bùshì yīnwèi yǒu nǐ de bāngzhù, wǒ bù kěnéng wánchéngle zhège gōngzuò. If it had not been for your help, I couldn't have completed the work.
Tā duì wǒ lái shuō shì yīgè wánquán mòshēng de rén. As far as I'm concerned, she's a complete stranger.
Tā yǐ xīshēng zìjǐ de jiànkāng wèi dàijià wánchéngle zhè xiàng gōngzuò. He did it at the expense of his health.
Nǐ de xíngwéi wánquán héfǎ. Your conduct is perfectly legal.
Tā zhōngyú wánchéngle tā de mùbiāo. In the end he achieved his objective.