commitment

n. 委托,实行,承诺,保证(律）拘禁令
n. 奉献，献身

His political commitment is only skin-deep.

他政治上的承诺只是表面文章。

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.