terseness       
noun [ U ] uk/ˈtɜːs.nəs/ us/ˈtɝːs.nəs/
 简短;生硬
the use of few words to say something, sometimes in a way that seems rude or unfriendly
  He answered with uncharacteristic terseness, "Yes, to both".  他一反常态地生硬回答道:“两个问题的答案都是‘可以’。” 
 See: terse
 - More examples
 - He now believes their terseness was to avoid giving themselves away.
 - Similarly, terseness can come across as rudeness.
 - Hemingway is noted for his distinct style of writing, characterized by terseness and his use of stable, indifferent, male protagonists.
 - With characteristic terseness, he said, "I want you in every meeting."