I always see a glimmer of light through the crack in the door.
"いつもドアの隙間からかすかな光が見える"
- I always see a glimmer of light through the crack in the door.
- I can see a glimmer of light that shines through the crevice of the door that is slightly cracked open. (少し開いているドアの隙間からかすかな光が見える。「いつも」をいれたければ、"I can always see~")
"I can always see a glimmer of light through the door."
- "I can always see a glimmer of light through the door."
"I can see" 「見える」
"always" 「いつも」
"I can always see ~" 「いつも〜が見える」
"a glimmer of light" 「かすかな光」
"through the door" 「ドアの隙間から」"through the crack in the door" も言えます。