"Now that you mention it" is a common phrase used to indicate that someone has just remembered or realized something. The spelling of this phrase can be broken down phonetically as "naw ðæt ju mɛnʃən ɪt". The first word, "now", is pronounced as "naw", with the "ow" sound representing the diphthong vowel sound /aʊ/. The word "that" is pronounced with a lax /æ/ vowel sound. "Mention" is pronounced with a stressed, open /ɛ/ vowel sound, while "it" is pronounced with a reduced /ɪ/ vowel sound.
"Now that you mention it" is a colloquial expression that is often used to indicate that the speaker has suddenly remembered or realized something in response to the mentioning or bringing up of a particular topic or subject. It could also be used when the speaker has recognized a connection or correlation between two things that were previously unnoticed or overlooked. This phrase implies that the speaker is acknowledging the relevance or significance of something just mentioned or that has been brought to their attention.
The use of this expression often conveys surprise or a sense of sudden revelation, as if the information or idea being discussed was somewhat unexpected or not at the forefront of the speaker's mind. It generally suggests that the mentioned topic has triggered a recollection or recognition in the speaker.
For example, if someone says, "We haven't been to the amusement park in years," and their companion responds with "Now that you mention it, we should plan a visit," it indicates that the second person has just realized that visiting the amusement park is indeed a good idea or something they haven't thought about in a while.
Overall, "now that you mention it" is used to communicate the speaker's newfound awareness or understanding following the mention of a particular topic or idea.