

Hurry up, or else we'll be late.
[ˈhɜri ˈəp, ɔr ˈɛls ˈwil ˈbi ˈleɪt.]
Take your keys, or else you can't get in.
[ˈteɪk jər ˈkiz, ɔr ˈɛls jə ˈkænt ˈɡɛt ˈɪn.]
Don't be late, or else the boss will be angry.
[ˈdoʊnt ˈbi ˈleɪt, ɔr ˈɛls ðə ˈbɑs ˈwɪl ˈbi ˈæŋɡri.]
"else" is in the lesson "Conjunctions" (Level 32), along with 13 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.