【法】 without fail

1. 生產(chǎn)成本的增加必定使價格上漲。
   Any increase in production costs is bound to send up prices.
2. 他沒有錢，所以，他必定會出現(xiàn)的。
   He hasn't got any money, so he's bound to turn up sooner or later.
3. 我們教授非常有才干，必定能解決這一難題。
   Our professor is too capable not to solve this difficult problem.
4. 這一稅收制度一旦施行，必定會危害國民經(jīng)濟(jì)。
   This tax can not be introduced without detriment to the economy.
5. 無疑，每個結(jié)果必定有其原因。
   It's certain that every effect must have a cause.

定的英語翻譯：