まっさきに
Meanings
Adverb
1. at the very beginning; first of all; first and foremost; before anything else
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Composed of
the head; the foremost; beginning; the very front
Composed of
just; right; pure; genuine; truth
previously; before; first; before (something or someone else); beforehand; in advance
Examples (4 in total)
Tom arrived first.
When an earthquake occurs, what will you do first?
Kenji is always the first to come to school.