adj.無機(jī)智的;不圓滑的;不得體的
It was tactless of you to tell him in front of others. 你實在不機(jī)智,竟當(dāng)著別人面前告訴他。
My defects are blunt, tactless and over sensible. 我缺點耿直, 不圓滑, 過份理智。