1. open fire 開始
例句：If you have any questions for our guest speaker, open fire now.
如果你們有什么問題要問我們的客座講演者，請現在開始提。

2. go through fire and water 赴湯蹈火，不顧艱險
例句：He would go through fire and water for his country.
他為了國家赴湯蹈火也在所不惜。

3. on fire 高水平發揮
例句： You guys were on fire in the last quarter.
你們最后一節真是打得太棒了。

4. under fire 受到攻擊和批評
例句：The teacher was under fire for racially charged comments in the classroom.
這個老師因為在課堂上講了一些有種族歧視的話而受到指責。

5. play with fire 冒險
例句：Stay away from him. You're playing with fire.
離他遠點，你這是在玩火。

6. fired up 興奮極了
例句：Everyone was fired up after the prep talk by the coach.
教練一席話讓球員們各個聽得熱血沸騰。

7. fire in one's belly 憋足了勁
例句：I'll tackle the issue with fire in my belly.
我憋足了勁要搞定這個問題。

8. add fuel to the fire 火上加油
例句：Leave him alone. You're only adding fuel to the fire if you try to comfort him.
別管他，你現在去安慰他無異于火上加油。