First of all, don't worry about any litter or empty bottles you see lying about.(首先，不用擔心你看到的到處亂扔的垃圾和空瓶子。)

First of all, let me ask you something.(首先，讓我問你一件事。)

First of all, there's this large scratch across the front of it.(首先，它前面有個很大的劃痕。)

First of all, there are not many of them, and secondly, they have little money and, thirdly, they're hungry.(首先，他們人數不多；第二，他們沒什么錢；第三，他們在挨餓。)

To achieve success, we should, first of all, have a clear long-term goal in our life.(為了取得成功，我們首先應該有一個明確的長期目標。)

First of all we should make primary education universal.(首先我們應普及初等教育。)

First of all we must identify the problem areas.(首先我們必須找出問題所在。)

To make members of a team perform better, the trainer, first of all, has to know their strength and weakness.(為了使隊員們表現得更好，教練首先得了解他們的優點和缺點。)

First of all, avoid all possible sources of allergy.(首先，避免所有可能的過敏源。)

First of all, I wish all classmates happy Children's day!(首先，祝所有同學六一兒童節快樂！)