They said he put the first letters of his names -- O and K -- on each object people gave him to send on the train.

VOA: special.2010.02.28

I once counted the number of times he used the word the letter--O--in that poem, and I quit counting.

我曾经数过他到底在诗里用了多少个"啊",最后我放弃了

耶鲁公开课 - 美国内战与重建课程节选

International Criminal Court President Louis Mourino O'Campo told al -Jazeera TV President Bashir's recent travels demonstrate that he is "desperate" and is "only making short trips."

VOA: standard.2009.03.26