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gap; opening; room; space
break; interval; spare moment; spare time
unguarded moment; carelessness; weak spot; chink in one's armor; flaw; fault
chance; opportunity
カーテンの透きから朝日が差し込んでいた。
Morning sunlight was streaming through a gap in the curtains.
ドアの透きから冷たい風が入ってくる。
Cold air comes in through the gap in the door.
壁の透きを見つけて修理することにした。
I found a gap in the wall and decided to repair it.