1.Strict surveillance and ECB independence was meant to make it impossible to end up in this situation; both have been undermined.
严格的监督与欧洲央行的独立性，本意是避免出现这种结局；但如今这两者都受到了破坏。
2.Former Israeli intelligence operations have been under strict surveillance for several days, "Victoria" number.
行动前以军根据情报已连续多日严密监控“维多利亚”号。
3.The police kept the criminal under strict surveillance.
警察严密监视那个罪犯。