How the word "grind a knife" is translated into English
My grandfather ground a knife on an old stone wheel.
[ˈmaɪ ˈɡrændˌfɑðər ˈɡraʊnd ə ˈnaɪf ˈɔn ən ˈoʊld ˈstoʊn ˈwil.]
Do you know how to grind a knife properly?
[ˈdu jə ˈnoʊ ˈhaʊ tu ˈɡraɪnd ə ˈnaɪf ˈprɑpərli?]
He was grinding a knife in the garage all morning.
[hi ˈwəz ˈɡraɪndɪŋ ə ˈnaɪf ˈɪn ðə ɡəˈrɑʒ ˈɔl ˈmɔrnɪŋ.]
"grind a knife" 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.