Study Nazir folio 3B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
And the Rabbis hold that a person does not associate the object of his vow with something that is juxtaposed to it in a verse, and the individual did not mean to take a nazirite vow.
R' Yoḥanan said: Everyone agrees that one does not associate the object of his vow with something juxtaposed to it in a verse. Rather, this is the reason of R' Meir: We are concerned that perhaps he accepted upon himself the birds of an impure nazirite. Since an impure nazirite must bring two birds
The Talmud asks: Since R' Yoḥanan said that, even according to R' Meir, we are concerned that the individual intended to become a nazirite, but it is not clear that this was his intention, it can be argued that perhaps he accepted upon himself a gift offering of birds as a burnt-offering. Consequent
The Talmud asks further: But perhaps he was saying: It is incumbent upon me to bring the birds of a metzora, rendering himself liable to bring a metzora’s offerings on a metzora’s behalf (see Leviticus 14:4). The Talmud answers: This is a case where a nazirite was passing before him when he spoke,
The Talmud asks: What is the difference between the opinions of Reish Lakish and R' Yoḥanan? After all, according to both explanations it is necessary to say that this is a case where a nazirite was passing before him.