at the worst

在最坏的情况下

at sb's disposal, at sb.'s heels, at sea, at sight of, at stake, at table, at that, at that rate, at the back of, at the beginning of, at the best, at the cost of, at the expense of, at the instance of, at the latest, at the mercy of, at the moment, at the rate of, at the same time, at the thought of, at this rate, at times, at work, at worst, AT&T, at-home, atavism, atavistic, ate, atelier, atheism, atheist, atheistic, Athelney, Athens, athlete, athlete's foot, athletic, athletics, athwart,