As the boss began to rant, I stood up and went out.
《柯林斯英汉双解大词典》
2
过了一会儿他站起来走了。
After a little he got up and left.
3
转天早晨,他们见哈罗德站起来走了出去,随后爬上屋顶在那呆了整整一夜,早上它又下来站在草地上。
I think the elevation is getting to us. "the next morning, they saw Harold stand up and walk outside, climb onto the roof, and he stayed there all night."