remain within

remain within (something)

1. To continue to be physically inside (of some place or thing). The hostages were allowed to leave the building, but the gunmen remained within. This electric collar ensures that our dogs remain within the boundaries around our property.
2. To continue not to exceed some fixed limits or parameters. Thankfully the radiation levels inside of the power plant remained within acceptable levels throughout the earthquake. Your weight has remained within the threshold of what we would consider normal, but you should still make a point of eating better and getting exercise. I know he has trouble remaining within his budget each month.
3. To continue not to break or go outside of the scope of something. I want to see justice done as much as anyone, but we must remain within the law to do it! We'll have to remain within the terms of this treaty if we want to continue getting foreign aid.
See also: remain, within
Farlex Dictionary of Idioms.

remain within (something)

to stay inside something or some place. Please try to remain within the boundaries of the campus. Everyone else went out, but I decided to remain within.
See also: remain, within
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • remain within (something)
  • blue-collar staff
  • blue-collar worker
  • get hot under the collar
  • feel (one's) collar
  • feel someone's collar
  • grapple
  • grappling
  • blue collar
  • collar (someone)
References in classic literature
de Saint-Aignan and the ladies of the court, for, if etiquette required the princesses to remain within their own rooms, the ladies of honor, as soon as they had performed the services required of them, had no restrictions placed upon them, but were at liberty to walk about as they pleased.
The Alps and the glaciers together are able to take every bit of conceit out of a man and reduce his self-importance to zero if he will only remain within the influence of their sublime presence long enough to give it a fair and reasonable chance to do its work.
In requiring the proletariat to carry out such a system, and thereby to march straightway into the social New Jerusalem, it but requires in reality, that the proletariat should remain within the bounds of existing society, but should cast away all its hateful ideas concerning the bourgeoisie.
"Leave us, Patrick," said Buckingham; "but remain within sound of the bell.
Inform this dear friend that he may remain within, that I shall go and see him immediately."
He came from Blois with me, and I compelled him to remain within doors; for if, in retracing the forty leagues which separate us from Blois, he needed to draw breath even, he would die without a murmur.
In her state of suspense, to remain within the four walls of the bedroom was unendurable.
Let the storm rage without-Tarzan would remain within until it ceased, comfortable and dry.
Mrs Sanzone has been offered alternative employment away from the sport, but would like to remain within the industry: "I'm considering all options, but I really enjoy greyhound racing and would like to remain within the sport if the opportunity presents itself."
Broad ranges continue to exist within all four parameters and some obvious access time and cost gaps remain within the hierarchy.
20 Kyodo Prices of 10-year Japanese government bond futures rose Monday morning, as the level of government bond issuance for fiscal 2000 will remain within expectations.
military's helicopter landing zones remain within the village in return for improvements in local infrastructure, village sources said Friday.
Such facilities can offer aging in place by allowing residents to remain within one company's family or philosophy of care options.
In an economy where people catch fish, he says, incomes can remain within a range he considers reasonable, with taxes only needed to support invalids, widows, and orphans.
citizen spouse must be monitored to ensure they remain within the $100,000 annual exclusion.