c. 1200, from Old English triga, triwa "thrice" (from trie "three;" see three) + adverbial genitive -es, changed c. 1600 to -ce to reflect voiceless pronunciation.
雙語例句
1. The metal had been valued at twice or thrice its current price.
這種金屬以前的估價是目前價格的兩到三倍。
來自柯林斯例句
2. They should think not twice, but thrice, before ignoring such advice.