はじめにしっかりと固定しておく必要がある。

Meaning
first, you need to fix it firmly in place

Vocab used in this sentence

はじめ
start, begin, including, introduction, commence
in, to, on, at, into, upon
しっかり
tightly, firmly, properly, steadily, solidly, reliably
and, with, if
固定
fixed, secured, securing, pinned, fixation, stabilized
and, shi, four, death
the, it, have
おく
you, deep, 2019
必要
need, have, necessary, needed, required, must, want, essential, necessity, indispensable
is, there, but, ga, will, however
ある
a, is, an, be, there is, to be, locate

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