

He wore a jacket and a pair of grey slacks.
[hi ˈwɔr ə ˈdʒækət ənd ə ˈpɛr əv ˈɡreɪ ˈslæks.]
These slacks are really comfortable for the office.
[ˈðiz ˈslæks ər ˈriəli ˈkəmftərbəl fər ði ˈɑfəs.]
Do I need to wear slacks for the interview?
[ˈdu aɪ ˈnid tə ˈwɛr ˈslæks fər ði ˈɪntərˌvju?]
"slacks" is in the lesson "Clothes 2" (Level 3), 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.