The phrase "haddest second thoughts" may seem confusing in terms of spelling, but it follows traditional English grammar rules. The word "haddest" is the archaic form of the past tense verb "have," used when speaking in the second-person singular. The term "second thoughts" means to have doubts or reservations about something. In IPA transcription, "haddest second thoughts" is represented as /ˈhædɪst ˈsɛkənd ˈθɔts/, with emphasis on the first syllable of each word.