noun a word (other than a pronoun) used to identify any of a class of people, places, or things
adverb an adverb modifies or qualifies a verb, adjective, or other adverb, indicating the time, manner, place, or degree of an action
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
article a determiner that introduces a noun and specifies it as the particular noun that is being considered
Used as a command to move quickly or with urgency, often in response to an order or emergency situation.
In sports, 'on the double' can be used to encourage teammates to move quickly or to hustle on the field or court.
Similar to military usage, 'on the double' is used to convey a sense of urgency in carrying out tasks or responding to a situation.
In a professional setting, 'on the double' may be used to request that someone complete a task promptly or with urgency.
Emergency responders may use 'on the double' to instruct their team to respond quickly to a call or situation.
A writer might use 'on the double' in a scene where a character needs to act quickly or urgently, adding tension to the narrative.
A psychologist might use 'on the double' metaphorically when discussing the need for a client to make rapid progress in therapy or to take immediate action to address a situation.
A chef might use 'on the double' in a busy kitchen environment to instruct their staff to move quickly and efficiently to prepare and serve food in a timely manner.
A military officer might use 'on the double' as a command to soldiers to move quickly or to respond urgently to a situation.
An EMT might use 'on the double' when responding to an emergency call to indicate the need for immediate action and rapid response in providing medical care.