1、US officials believe these sanctions have not been stringently applied.
美國官方認為這些制裁沒有得到很好的遵守。

2、The rules are stringently enforced.
這些條例得到嚴格執(zhí)行。

3、The regulations must be stringently observed.
這些規(guī)則必須嚴格遵守。

4、You can choose to filter results more stringently or switch it off completely.
你可以選擇性的讓過濾系統(tǒng)更加嚴格或者把它完全地關閉。

5、(of rules) stringently enforced.
（關于規(guī)則）嚴厲地被執(zhí)行的。