光をあまり入れると目に悪い。

Meaning
letting in too much light is bad for the eyes

Vocab used in this sentence

light, shine, gleam, optic, optical, illumination, hikari
o, the, to, wo
あまり
not very, too much, not much, not really
入れる
include, put in, admit, insert
and, with, if
eye, eyes, look, second, sight, view
in, to, on, at, into, upon
悪い
bad, poor, wrong, ill, evil, naughty, poorly, inferior, hateful, abominable

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