adj. 不机智的；不老练的；笨拙的
词根：tact
adj.
tactful 机智的；圆滑的；老练的
adv.
tactlessly 不机智地；不得体地；不圆滑地
n.
tact 机智；老练；圆滑；鉴赏力
tactfulness 灵活机智（tactful的名词形式）
tactlessness 不圆滑；不乖巧
1.It is easy to blurt out a swear word at an inappropriate time, or to bark out a tactless or tasteless remark before you have a chance to consider the impact.
谩骂之词，很容易在不是时候的时候脱口而出，或者在你有机会考虑其影响之前，轻易地给出不老练、没趣味的评论。
2.He had alienated many people with his tactless remarks.
他说话没轻没重，疏远了许多人。
3.I wish I had not said such tactless words to him.
我真希望自己当时没有对他说那么不得体的话。
4.An honest person tells the truth, a tactless person tells the whole truth.
诚实的人说真相，缺乏技巧的人说出所有真相。
5.Elderly people with loss of executive function — lessening of inhibitions — are more likely to offer useful, but tactless, advice. Christopher Intagliata reports.
上了年纪的人失去了决策的作用后——自身抑制力的减弱——更有可能提出有用的但不那么老练的建议。
6.So would I, said the tactless clerk.
不太老练的店员说道。