Good night is a common phrase used in English to bid farewell to someone. To pronounce it correctly, the "g" should be pronounced as a hard "g" as in the word "go". The "oo" in "good" should be pronounced like the "oo" in "moon". The second "d" should be pronounced as a soft "d" as in the word "dear". The "ni" in "night" should be pronounced as a long "i" as in the word "kite". Lastly, the "ght" should be pronounced as a single sound, similar to the "f" in "enough".

To summarize, the correct pronunciation of the phrase "good night" is "gu̇d nīt".