All suppliers must meet our stringent quality standards before we sign any contract.

所有供應商在我們簽約之前，都必須符合我們嚴格的品質標準。

The airline introduced stringent security checks for passengers traveling on international routes.

該航空公司對搭乘國際航線的旅客實施了嚴格的安全檢查。

Applicants should know that the bank follows stringent hiring procedures, including background checks.

應徵者應了解，這家銀行採用嚴格的招募程序，包括背景調查。