at someone's best
at some stage
at some point英 [æt sʌm pɔint] 美 [æt sʌm pɔɪnt] ...
at sixes and sevens adv.乱七八糟,不和;横七竖八;...
at sight of英 [æt sait ɔv] 美 [æt saɪt ʌv] ...
at someone's disposal 释义供某人支配;
at someone's mercy
at someone's fingertips
at someone's convenience
at someone's heels
at stake英 [æt steik] 美 [æt stek] adv....
at sunset英 [æt ˈsʌnset] 美 [æt ˈsʌnˌsɛt] ...
at someone's service
at sunrise英 [æt ˈsʌnraiz] 美 [æt ˈsʌnˌraɪz] ...
at someone's own pace
at table英 [æt ˈteibl] 美 [æt ˈtebəl] 释...
at term英 [æt tə:m] 美 [æt tɚm] adv.到期;
at that moment[æt ðæt ˈməumənt] 释义在那个...
at that instant