他没有谈论他的考试成绩，以免人们认为他在吹嘘。

He didn't talk about his exam results in case people thought he was ___boasting.

父母喜欢吹嘘他们孩子的成就。

Parents enjoy ___boasting about their children's achievements.

他们吹嘘说他们从未输过一场比赛。

They ___boasted that they had never lost a single game.