?open fire 开始
?go through fire and water 赴汤蹈火，不顾艰险
?on fire 高水平发挥
?under fire 受到攻击和批评
?play with fire 冒险
?fired up 兴奋极了
?fire in one's belly 憋足了劲
?add fuel to the fire 火上加油
