He was sure being vice president would ruin his chances.

VOA: special.2010.08.05

Often, he engages in politics and jumping up, says and does whatever chances to come to his mind.

他更常忙于政治，并在机会出现时跃起实作,当念头出现时。

耶鲁公开课 - 政治哲学导论课程节选

Michael Reagan says he tries to maintain a healthy lifestyle, hoping it will reduce his chances of getting the disease.

VOA: standard.2009.12.04

"Obviously Kaczynski, if he wanted to increase his chances of success, had to play down all these ideas.

VOA: standard.2010.06.17