Gb	Eng
警方一直严密监视著可疑分子的活动.	The police have been keeping a close watch on the suspects' movements.
他们严密监视他，惟恐他会逃脱。	They watched him closely in case he should escape.
被严密监视的这些囚犯昨夜越狱了。	The prisoners closely guarded escaped from the prison last night.