Inobtrusive
a. 客气的, 谦虚的,不冒失的
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
Don't be so sure.
话别说得太满。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。