twice
The German word 'zweimal' is used to express the concept of something happening 'twice'. It is a combination of the word 'zwei', meaning 'two', and 'mal', which is a suffix used to indicate a number of times. It is used in the same way as 'twice' in English, for example, 'I have seen that movie twice' would be 'Ich habe diesen Film zweimal gesehen' in German.
He has twice as much money as I do.
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You get two guesses!
In this idiomatic phrase, 'zweimal' is used to express a common way of sarcastically saying that the answer is obvious, so it should not take more than two guesses.
I go to the gym twice a week.
In this sentence, 'zweimal' is used to express the frequency of a routine or habitual action, which is going to the gym in this case.