The phrase "come down with" is commonly used to describe one's onset of illness or sickness. In IPA phonetic transcription, it is pronounced as /kʌm daʊn wɪð/. The "come" is pronounced with a short "u" sound, "down" is pronounced with a diphthong of "a" and "ʊ", and "with" is pronounced with a stressed "i". Although the phrase may seem confusing in spelling, it is commonly used and understood in English-speaking communities.
"Come down with" is a phrasal verb that has two main meanings and is commonly used in informal contexts. The first meaning of "come down with" is to develop an illness or a particular medical condition. When a person "comes down with" an illness, it means they begin to experience its symptoms. For instance, if someone says, "I think I'm coming down with a cold," it suggests that they are starting to show signs of having a cold, such as a runny nose or a sore throat.
The second meaning of "come down with" is used to describe a negative emotional or mental state that a person suddenly experiences. It indicates a sudden change in mood or a feeling of sadness or depression. If someone says, "She came down with a case of the blues," it indicates that she has suddenly started feeling sad or down.
In summary, "come down with" typically refers to the onset of an illness or a negative emotional state. It is used to describe the moment when someone suddenly begins to experience symptoms of an illness or when they suddenly feel sad or depressed. This phrasal verb is frequently used in everyday conversation to describe an individual's physical or emotional state.