How the word "fünfzig" is translated into English
Mein Vater wird morgen fünfzig.
[ˈmaɪ̯n ˈfaːtɐ ˈvɪrt ˈmɔrɡn̩ ˈfʏnftsɪç.]
My father is turning fifty tomorrow.
Kannst du mir fünfzig Euro leihen?
[ˈkanst ˈduː ˈmiːɐ̯ ˈfʏnftsɪç ˈɔɪ̯ro ˈlaɪ̯ən?]
Can you lend me fifty euros?
In der Stadt darf man nur fünfzig fahren.
[ˈɪn deːɐ ˈʃtat ˈdarf ˈman ˈnuːɐ̯ ˈfʏnftsɪç ˈfaːrən.]
In town you're only allowed to drive fifty.
"fünfzig" is in the lesson "Big numbers" (Level 4), along with 11 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.