First of all, could you give me your full name?
首先,你能告诉我你的全名吗?
First of all, avoid all possible sources of allergy.
首先,避免所有可能的.过敏源。
First of all, we need one complete new drawing board.
首先,我们需要一个全新的画板。
First of all, we have a wide range of language courses.
首先,我们有种类多样的语言课程。