adj.言行不得体的，得罪人的，不圆通的，没策略的

He was criticized for making tactless remarks about the sensitive issue.
他因对这个敏感问题发表不得体的言论而受到批评。
It's important to be tactful in these situations; a tactless comment could ruin the whole atmosphere.
在这种情况下保持圆滑很重要；不得体的评论可能会破坏整个气氛。
Her tactless question embarrassed everyone at the party.
她不得体的问题让派对上的每个人都感到尴尬。
The interviewer's tactless approach made the candidate feel uncomfortable and unwelcome.
面试官粗鲁无礼的态度让应聘者感到不自在和不受待见。
He had a habit of being tactless, often saying things without considering how they would be received.
他习惯于说话不考虑后果，常常不假思索地说出让人难以接受的话。
A tactless joke can offend even the thickest-skinned person.
一个不得体的笑话甚至可能冒犯最不在乎的人。
The tactless comment revealed her lack of empathy for others' feelings.
那句不得体的评论暴露了她对他人心情缺乏同情心。
In diplomacy, being tactless can lead to serious misunderstandings between nations.
在外交上，言语失当可能导致国与国之间的严重误会。
His tactless behavior at the meeting showed a lack of professionalism.
他在会议上的不得体行为显示出缺乏专业素养。
Tactless criticism can crush someone's confidence and creativity.
不顾及他人感受的批评会摧毁一个人的信心和创造力。