严格的英文是strict。
解释：
strict 英[str?kt] 美[str?kt]
adj. 精确的; 绝对的; 严格的，严谨的; [植] 笔直的;
[例句]The officials had issued strict instructions that we were not to get out of the jeep
有关官员严令禁止我们下吉普车。
My parents were very strict.
父母对我要求非常严格。
It's not quite peace in the strictest sense of the word, rather the absence of war.
严格说来，这并不是真正的和平，只是没有战争罢了。
Four million Britons are now strict vegetarians
目前有400万英国人是严格的素食者。
French privacy laws are very strict
法国的隐私法非常严苛。