Her commitment to a great cause degenerated from a crusade into an obsession.
她致力於一伟大事业, 但其崇高的奋斗精神已变质成为偏执的狂热.
The President affirmed America's commitment to its transatlantic (ie European) allies.
总统申明美国履行对其欧洲盟国承担的义务.
His political commitment is only skin-deep.
他政治上的承诺只是表面文章。