

It took me three hours to assemble this wardrobe.
[ɪt ˈtʊk ˈmi ˈθri ˈaʊərz tu əˈsɛmbəl ˈðɪs ˈwɔrˌdroʊb.]
Can you help me assemble the new bed?
[kən jə ˈhɛlp ˈmi əˈsɛmbəl ðə ˈnu ˈbɛd?]
We haven't assembled the bookshelf yet.
[wi ˈhævənt əˈsɛmbəld ðə ˈbʊkˌʃɛlf ˈjɛt.]
"assemble" is in the lesson "Do it yourself" (Level 20), 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.