stringent
/ˈstrɪndʒənt/adjective
- (of regulations, requirements, or conditions) strict, precise, and exacting（规定, 要求, 条件）严格的, 严厉的; 精确的, 严密的：
California's air pollution guidelines are stringent.
加利福尼亚州制定的空气污染标准很严格。
派生词
stringency
nounstringently
adverb词源
mid 17th cent. （in the sense 'compelling, convincing'）： from Latin stringent- 'drawing tight', from the verb stringere.