The doctor decided to keep him under observation for another week .
医生决定记他留在医院里再观察一星期。
The doctor cannot understand jane 's stomach trouble and he wants to keep her under observation for a few days .
大夫搞不清简的胃有什么毛病，于是想把她留在医院里观察几天。
The plainclothes officers were told to keep the suspected man under constant observation .
便衣警察受命密切监视那个有嫌疑的人。
The police keep all habitual criminals under observation from the day they leave the prison .
所有贯犯自出狱那天警察就密切注视他们。
The patient is seriously ill and is is keep under continuous observation .
病人病情严重，现接受持续观察。
No really satisfactory photograph has ever been taken of one in a wild state no zoologist however intrepid has been able to keep the animal under close and constant observation in the dark jungle in which he lives .