按期

只要前期准备工作充分扎实，按期保质完成这项工程绝不成问题。

zhǐ yào qián qī zhǔn bèi gōng zuò chōng fèn zhā shí, àn qī bǎo zhì wán chéng zhè xiàng gōng chéng jué bù chéng wèn tí.

As long as the preliminary preparation work is sufficient and solid, it will not be a problem to complete the project on time and with high quality.

房地产开发商必须严格按照建筑工程质量规范施工，确保按期高标准向业主交房。

fáng dì chǎn kāi fā shāng bì xū yán gé àn zhào jiàn zhù gōng chéng zhì liàng guī fàn shī gōng, què bǎo àn qī gāo biāo zhǔn xiàng yè zhǔ jiāo fáng.

Real estate developers must strictly abide by construction project quality specifications and ensure that properties are delivered to owners on schedule and at high standards.

借款人当着公证人员的面郑重写下了具有法律效力的欠款欠条，并明确承诺按期还清借款。

jiè kuǎn rén dāng zhe gōng zhèng rén yuán de miàn zhèng zhòng xiě xià le jù yǒu fǎ lǜ xiào lì de qiàn kuǎn qiàn tiáo, bìng míng què chéng nuò àn qī huán qīng jiè kuǎn.

The borrower solemnly wrote a legally binding IOU in front of a notary and made a clear commitment to repay the loan on time.