Pronunciation: [dˈɒst wˈɒnz bˈɛst] (IPA) 
The correct spelling of the phrase "dost ones best" is actually "does one's best." The correct pronunciation of "does" is /dʌz/ and the correct pronunciation of "one's" is /wʌnz/. The phrase means to try your hardest or to put forth your best effort. It is important to use correct spelling in written communication to ensure that your message is accurately conveyed and understood.
The phrase "dost one's best" is an archaic expression primarily used in classical works of literature. It comprises two components: "dost," the second person singular present tense form of the verb "do," and "one's best," indicating the utmost effort or performance of an individual.
"Dost" functions as a verb in this context, embodying an older form of the verb "do" that was common in Middle English. It signifies the act of carrying out an action or exerting effort. "One's best" reflects the highest degree of one's ability or capacity, emphasizing the complete dedication and commitment of an individual to achieve optimal results or performance in a given task or objective.
When combined, "dost one's best" forms an expression that encourages and highlights the act of putting forth one's maximum effort and capabilities towards accomplishing a goal. It conveys the idea of doing everything within one's skills, talents, and resources to achieve the best possible outcome in a situation. The phrase often implies a sense of determination and perseverance, suggesting that one should not settle for mediocrity but strive for excellence.
While nowadays somewhat archaic, "dost one's best" remains evocative and resonant within literary contexts, reminding readers of the importance of wholeheartedly dedicating oneself to attain exceptional results.
