Political commentators have been tut-tutting over the latest scandal in Washington.政治评论家们一直对华盛顿最近的丑闻啧啧不已。We all spent a lot of time tut-tutting about Angie and her lifestyle.我们都没少对安吉和她的生活方式啧啧非议。They spent the whole evening tut-tutting about the lack of discipline in young people.他们整个晚上啧啧不已，叹息青年人的自由散漫。