simultaneously, at once, at the same time / on the other hand

(literary) they

begin; start; initiate; originate

to start doing / to begin

conjunctive form of 始める (hajimeru) [ichidan]

Alternative spelling of 初めて

to laugh / to smile

the first sight of something / something seen for the first time

one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

those (referring to things distant from the speaker)