严密

The prisoners were closely guarded.

囚犯受到严密监视.

All the prisoners are under close guard.

所有的犯人都在严密的看守之下.

There is a tight security cordon around the area.

这一地区周围设有严密的安全警戒圈.

Secure the prisoner so that he won't escape again.

严密监禁那个囚犯以免他再逃掉.

All the units interlock with one another rigidly.

所有的元件严密地连锁在一起.

There was tight security at the airport when the President's plane landed.

总统的专机降落时,机场的保安措施很严密.

He is a loose thinker.

他是个思维不严密的人.

the nicety of his argument

他那论证的精确严密

His logic is too loose to make much sense.

他的推理太不严密,没什么道理.

The police kept the criminal under strict surveillance.

警察严密监视那个罪犯.

The animals are kept in close confinement.

动物给严密地关了起来.

The witness tripped up rather badly under close cross-examination.

这个证人在严密的盘问之下破绽百出.

a mass breakout from a top security prison

从防守高度严密的监狱的集体越狱

The planes have to undergo rigorous safety checks.

飞机必须经过严密的安全检查.

Water tanks should be well lagged and the roof well insulated.

水箱和屋顶都需要敷设严密的保温层。