sealed off

基本解释

Until now, the special forces operatives have been kept largely sealed off, even from regular soldiers.
直到现在，特种部队成员的信息，甚至从普通士兵时期开始的信息，大都被封锁。
Jordan and Syria are already swamped with Iraqi refugees and have tightened, if not sealed off, their borders.
伊拉克难民在约旦及叙利亚早就人满为患，边境加强了管制，不久甚至可能关闭。
Mostafaei, whose office in Tehran is now sealed off, is credited with saving at least 50 people from execution during his career, among them many juvenile offenders.
摩斯塔菲在德黑兰的办公室已被查封。在他的职业生涯中，至少有50人是因为他的努力，免于处死，其中许多是少年犯。

For six weeks Marysville has been sealed off as investigators looked for signs of arson, while forensic teams had the gruesome task of searching for victims among the charred wreckage of homes, businesses and cars.