This is the 525th most frequent Chinese word.
首先
"首先" means "first of all" or "firstly."
In this sentence, '首先' is used to introduce the initial point of a series of statements, often to establish a polite or logical order.
首先,我想感谢您的邀请。
First, I would like to thank you for your invitation.
Here, '首先' emphasizes the primary step or consideration in addressing an issue or task.
首先,我们需要了解问题的核心。
First of all, we need to understand the core of the problem.
In this sentence, '首先' highlights the prerequisite or the first necessary condition for achieving a goal.