光を通さない
光を失う
〈失明する〉 lose one's sight [eyesight].
親の光で
optical fiber (tele)communications.
読み方 ひかり
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(=光輝)the glitter (of gold); the sparkle (of gems); the glisten (of dewdrops or tears); the brilliancy (of a diamond); the gleam (of a sword in the dark); the flash (of a sword in the sun); the glint (of cold steel); the lustre (of metals); the shine (of boots); the glare (of angry eyes); the glow (of a firefly); the twinkle (of a star); the radiance (of a beautiful woman); the brightness (of a new coin, etc.)
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