first in

• 最先到达火场的人员和设备

词汇搭配

• principal in the first degree 第一主犯
• in the first instance 首先
• in the first flight 占首要地位(领头)...
• in the first face 初见(乍看之下)...
• come in first 获第一名
• in the first place 起初
• see someone in hell first 去你的
• in the first flush of youth 正当年轻时