Talk drifted desultorily from one topic to another.漫无目的地东拉西扯。The man continued talking. She answered him desultorily.那个男人继续说着。她随口应答。She wandered around desultorily.她漫无目的地四处闲逛。The man continued talking. She answered him desultorily.那个男人继续说着。她有一句没一句地应着。