

Be careful, this knife is very sharp.
[ˈbi ˈkɛrfəl, ˈðɪs ˈnaɪf ˈɪz ˈvɛri ˈʃɑrp.]
I need a sharp knife for the meat.
[aɪ ˈnid ə ˈʃɑrp ˈnaɪf fər ðə ˈmit.]
Is this knife sharp enough?
[ˈɪz ˈðɪs ˈnaɪf ˈʃɑrp ɪˈnəf?]
"sharp" is in the lesson "Cooking 1" (Level 18), along with 9 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.