I changed from a defiant teenager to a student representative.

我从一个反叛的少年，转变为学生代表。

He always speaks to his subordinates with a defiant tone.

他对下属说话总是带着目中无人的口吻。

The defiant youth disobeyed the rules of the school.

那个挑衅的青年违反了学校的规章制度。

The CEO was in a defiant mood as she entered the boardroom.

首席执行官进入会场的时候一副目中无人的样子

She looked at him with a defiant air.

她用蔑视的神情望着他。

The terrorists sent a defiant message to the government.

恐怖主义者向政府发出了挑战书。

They hurled defiant taunts at the riot police, who responded in kind.

他们对着防暴警察愤然大骂，对方也以牙还牙。

The players are in a defiant mood as they prepare for tomorrow's game.

在准备明天的比赛时，球员们态度挑衅。

Defiant in their haughty and arrogant inaccessibility, they seem to shout: I dare you!

他们目中无人，高视阔步，似乎在叫喊：我敢说你！