His first music teacher was a major influence in his life.
他的第一位音樂老師是他一生中對他影響非常大的人。
Let's be practical and work out the cost first.
咱們實際一點兒，先計算一下成本費用。
Our first task is to set up a communications system.
我們的'首項任務是架設通信系統(tǒng)。
I didn't like the job much at first.
起初我并不很喜歡這個工作。
The first stage in research is data collection.
研究工作的第一步是收集資料。