there you go idiom
A2 (informal there you are)给你;拿去吧
used when giving something to someone, usually after a request for the thing, such as giving someone goods that they have bought
你瞧，看吧（表示我告诉过你）
used to mean "I told you so"
There you go - I knew you'd forget if you didn't write it down. 看，我就知道你不把它写下来会忘记的。