work hard to
Tja, dafür muss man hart arbeiten, um das zu schaffen.
Well, you have to work hard to achieve that.
— Memories of Murder (2003)
Ich muss hart arbeiten, um den Test zu bestehen.
I have to work hard to pass the test.
Man muss hart arbeiten, um nicht so zu werden, wie er.
You have to work hard to avoid becoming like him.
— Battle Royale (2000)