stringent
/ˈstrɪndʒənt; `strɪndʒənt/ adj
1 (of a law, rule, etc) that must be obeyed; strict or severe （指法律、 规则等）必须遵守的, 严格的, 严厉的
a stringent ban onsmoking 禁止吸烟的严格规定.
2 (of financial conditions) difficult because there is not enough money （指财务状况）因缺钱而困难的, 银根紧的
a stringent economic climate 窘迫的经济情势.