How the word "oh" is translated into English
Oh, I didn't know that!
[ˈoʊ, aɪ ˈdɪdn̩t ˈnoʊ ˈðæt!]
Oh no, I forgot my keys!
[ˈoʊ ˈnoʊ, aɪ fərˈɡɑt ˈmaɪ ˈkiz!]
Oh, is it your birthday today?
[ˈoʊ, ˈɪz ɪt jər ˈbɜrθˌdeɪ təˈdeɪ?]
"oh" is in the lesson "Conversation" (Level 36), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.