the usual, ordinary

シワ, 皺: wrinkle, a line or crease in the skin

wrinkles in skin, paper, cloth, or some other surface / ripples on the surface of water

wrinkles in skin, paper, cloth, or some other surface / ripples on the surface of water

always, invariably, all the time / usually / (with a negative verb) never

刹那: instant, moment

a female given name

切ない: painful, trying or oppressive

roughly 0.11 seconds, defined as 1/65ᵗʰ of a 弾指 (danshi), where a danshi is 1/12,000ᵗʰ of a day or 7.2 seconds / 0.002 seconds, defined as 1/60ᵗʰ of a 念 (nen), where a nen is 1/60ᵗʰ of a 弾指 (danshi)

laugh / smile / sneer