onomatopoeia · onomatopoeia representing a sharp sound of scraping, ripping fabric, or screeching tires

只听嚓的一声，那件旧衣服被撕开了一个大口子。

onomatopoeia · onomatopoeia for snapping, cracking, or clicking sounds, often used in compounds like 喀嚓 kā​chā or 啪嚓 pā​chā

剪刀嚓的一声剪断了绳子。