

You mustn't cross a solid line.
[jə ˈməsn̩t ˈkrɔs ə ˈsɑləd ˈlaɪn.]
Why is there a solid line in the middle?
[ˈwaɪ ˈɪz ˈðɛr ə ˈsɑləd ˈlaɪn ˈɪn ðə ˈmɪdl̩?]
The solid lines mean you can't overtake here.
[ðə ˈsɑləd ˈlaɪnz ˈmin jə ˈkænt ˌoʊvərˈteɪk ˈhɪr.]
"solid line" is in the lesson "Road" (Level 9), along with 14 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.