你那么笨是怎么做到的哇
[nĭ nèi me bèn shì zĕn me zuò dào de wā]
Often used sarcastically towards oneself or others, questioning how certain clumsy or silly mistakes occur. It highlights humorous situations or instances when something seems impossible because it's too simple but was still done incorrectly, bringing out a playful nature or lighthearted humor.