这次比赛的安保工作安排得十分严密。

Zhè cì bǐsài de ānbǎo gōngzuò ānpái de shífēn yánmì.

The security arrangements for this competition are extremely tight.

这个计划考虑得非常严密，几乎没有漏洞。

Zhège jìhuà kǎolǜ de fēicháng yánmì, jīhū méiyǒu lòudòng.

This plan has been thought through very carefully, with almost no loopholes.

科学研究需要严密的逻辑和准确的数据。

Kēxué yánjiū xūyào yánmì de luójí hé zhǔnquè de shùjù.

Scientific research requires rigorous logic and accurate data.