Look out!

Here is another joke about "look out". A Taiwanese went abroad to the US to further his study. As soon as he got there, he moved into an apartment living on the second floor. On the third floor lived an old American woman, who had a habit of putting her feet in a basin with warm water. One day after she did the same thing again, she opened the window and shouted "Look out!" because she was to pour the water out of the window. Hearing someone saying the phrase which he understood, without hesitation this poor Taiwanese guy popped his head out of the window and ...