first of all
collocation首先；第一
First of all, let me introduce myself.
首先，请允许我自我介绍一下。
首先；第一
先理解核心含义，再看它在真实句子里的用法。
首先；第一
Before anything else; firstly.
First, wash your hands before eating.
首先，吃饭前要洗手。
首先；第一
Before anything else; firstly.
首次
For the first time.
She always puts her family first.
她总是把家庭放在第一位。
I first met him in 2015.
我第一次见到他是在2015年。
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首先；第一
First of all, let me introduce myself.
首先，请允许我自我介绍一下。
首先；最重要的是
He is a father first and foremost, but he also enjoys his career.
他首先是一位父亲，但也很享受自己的职业。
首先；一开始
First off, we need to ensure the data is correct.
首先，我们需要确保数据正确。
首先；首要的是
First and foremost, I want to thank everyone for coming.
首先，我要感谢大家的到来。
首先；第一
First of all, let me introduce myself.
首先，让我自我介绍一下。
先到先得
It's first come, first served, so let's get there early.
这是先到先得，所以我们早点去。
首先他们无视你，然后嘲笑你，然后与你为敌，最后你赢了。
First, I'd like to thank all our supporters.
首先，我想感谢我们所有的支持者。
首先我们拿下曼哈顿，然后我们拿下柏林。
When traveling, first we visit the local museums.
旅行时，我们首先参观当地的博物馆。
Use first naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想到比赛冲线夺得第一，记住 first 意为“首先、首次”。
语域：neutral 常见场景：日常对话、书面写作、新闻报道 通常作副词时表示‘首先’或‘第一次’，在口语和书面语中都比较常见，属于中性表达。
副词 first 表示“首先”，常置于句首或主要动词前。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.