How Do You Spell DOST ON SLY?
Pronunciation: [dˈɒst ˌɒn slˈa͡ɪ] (IPA) 
The spelling of the word "dost on sly" can be a bit perplexing. It is actually an archaic phrase meaning "do it secretly". The pronunciation of this phrase is /dʌst ɒn slaɪ/. The "dost" is the second person singular present tense form of the verb "do" which is rarely used in modern English. The phrase "on sly" means secretly or covertly. Interestingly, this phrase has been used in literature, including Shakespeare's play "The Taming of the Shrew".
