回复:钱学森回国真相:正申请美国国籍,后被驱逐出境

`Pissed off` means Qian was made very angry. You are an idiot. 

http://en.m.wikipedia.org/wiki/Qian_Xuesen#section_2 

He would remain on the Caltech faculty until his departure for China in 1955, becoming the Robert H. Goddard Professor of Jet Propulsion in 1949, and establishing a reputation as one of the leading rocket scientists in the United States.

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