How the word "knock" is translated into English
Please knock before you come in.
[ˈpliz ˈnɑk bɪˈfɔr jə ˈkəm ˈɪn.]
Don't knock so loudly, the baby's sleeping.
[ˈdoʊnt ˈnɑk ˈsoʊ ˈlaʊdli, ðə ˈbeɪbiz ˈslipɪŋ.]
Can you knock on Tom's door?
[kən ˈju ˈnɑk ˈɔn ˈtɑmz ˈdɔr?]
"knock" is in the lesson "Verbs 6" (Level 18), along with 11 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.