一定: fixed; established; regular在: exist; be living一定在郵箱里: it must be in the mail. i trust the result was positive我想上帝一定在紐約市: i guess the lord must be in new york city定在: pitch at . . . level一定: 1.(規(guī)定的, 確定的) fixed; established; regular 一定的規(guī)章制度 established rules and regulations; 一定的生產(chǎn)指標 fixed production quota; 按照一定的規(guī)格進行生產(chǎn) work according to specifications; 學習、 工作都有一定的時間。 there are fixed times for study and for work.2.(固定不變的) definite; constant 每一種彈簧都有一定的彈性。 every sort of spring has a definite elasticity.3.(必定) surely; certainly; be bound to; necessarily 這一定是他想買的書。 this must be the book he wants to buy. 只要我們做到這一切, 改革就一定能成功。 provided we do all this, we shall assuredly succeed in our reform. 六點以前, 我一定回家。 i shall definitely be home before six o'clock.4.(特定的) certain; specific; given 在一定程度上 to a certain degree; 在一定條件下 under given conditions; 在一定意義上 in a certain sense; 在一定的時期內(nèi) within a certain [definite] period; 金屬加熱到一定的溫度都會熔化。 metals will melt when heated to a certain temperature.5.(相當?shù)? proper; fair; due 達到一定水平 reach a fairly high level; 給予一定的重視 attach due importance to固定在: fix to定在……的水平;定在……的級別: pitch at . . . level定在……的級別: pitch at . . . level定在……的水平: pitch at . . . level定在某時: be schedule for定在某時(進行): be schedule for固定在海岸的: land-fast規(guī)定在聯(lián)營法: pooling method說不定在什么: maybe some yamaka inenggi必定, 一定: to a certainty必定,一定: be bound to必須,一定: müssen不一定: uncertain; not sure; not necessarily so當然,一定: you bet盡力;一定: by all means肯定,一定: be bound to ( v-to ); for sure; sicher誓必, 一定: by my halidome一定,必定: be sure to do; be sure to(do)一定,某一: bestimmt