

It was a really tough week at work.
[ɪt wəz ə ˈriəli ˈtəf ˈwik ət ˈwɜrk.]
That was the toughest exam I've ever taken.
[ˈðæt wəz ðə ˈtəfəst ɪɡˈzæm ˈaɪv ˈɛvər ˈteɪkən.]
Is it tough to find a job here?
[ˈɪz ˈɪt ˈtəf tə ˈfaɪnd ə ˈdʒɑb ˈhɪr?]
"tough" is in the lesson "Adjectives 6" (Level 40), along with 10 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.