

You have to protect the princess until the end.
[jə həf tu prəˈtɛkt ðə ˈprɪnsəs ənˈtɪl ði ˈɛnd.]
Our walls protected the village from the zombies.
[ɑr ˈwɔlz prəˈtɛktəd ðə ˈvɪlɪdʒ frəm ðə ˈzɑmbiz.]
Who is protecting our flag right now?
[ˈhu ˈɪz prəˈtɛktɪŋ ɑr ˈflæɡ ˈraɪt ˈnaʊ?]
"protect" is in the lesson "In game 1" (Level 31), 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.