The work should be carried out without undue delay.

进行这项工作不得有不当的延误。

《牛津词典》

We will give notice of such defects without undue delay.

我们将毫不延迟地通知供应商此种瑕疵。

youdao

However, the Buyer shall advise the Seller of such occurrence without undue delay.

然而，买方应毫无迟疑地通知卖方此类事件的发生。

youdao

What assurance is there that undue delay (among other devices) will not be used by the Japanese to ensure that the technology transferred remains less than Japan's state-of-the-art?

CENTERFORSECURITYPOLICY: The FS-X Agreement

One good point of the College is that when you have a virtual popular vote tie, which we have had several times in the past, it determines a winner so the governance of the nation can go forward without undue delay.

FORBES: Election Stranger Than Fiction

The administration should implement the Act without any further delay so that it can begin, as soon as possible, to rein in the undue and harmful influence of money on medicine.

FORBES: Prominent Doctors Call For Action On Transparency Law