You must be scrupulous about hygiene when you're preparing a baby's feed.

给婴儿准备食物时，对卫生丝毫马虎不得。

《牛津词典》

Be scrupulous: declare any conflict of interest that may bias my scholarly judgment.

审慎笃行：声明有悖于自身学术判断的利益冲突。

youdao

As producers of new journalism, they can be scrupulous with facts and transparent with their sources.

对于新新闻的生产者，他们可以对事实一丝不苟，同时透明化新闻来源。

youdao

But we tried to be scrupulous, adding new elements every day, making adjustments and refinements, and all the while scanning the streets, trying to induce an appearance through joint force of will.

NEWYORKER: Midnight in Dostoevsky

Be scrupulous about scheduled reviews and feedback.

FORBES: How to Hire Great Employees

Instead he resolved that his writing would not only be factually scrupulous, but as aesthetically pleasing as possible.

ECONOMIST: Sovietology