show one's horns

例句：

1. 1. He always shows his horns when he talks about his achievements.
   他总是在谈论他的成就时炫耀自己。
2. 2. She showed her horns by criticizing the new ideas.
   她通过批评新想法来炫耀自己。
3. 3. Don't show your horns;be humble and listen to others.
   不要炫耀，要谦虚，倾听别人的意见。