S素年錦時
在一定程度上 to some extent ; partly ; to a certain extent ; in some degree一定的 bound ; definite ; certain ; determinate请一定要通知我 Please keep me informed ; Please keep me accused
水中央1985
necessarily，particular，surely，certainly，fixed，a certain，given，by the holy poker，upon my faith，to a certainty，it is lots to blanks，I am sure，my word upon it，all to nothing，novel，be sure to，without fail，by my fay，by the Lord Harry，by my halidome，by all means，I dare swear，bedad
歹徒通缉令
形容词certain某些, 一定, 某, 肯定, 确定, 必然given特定, 一定, 赠予的, 斯fixed固定, 定, 一定, 确定, 既定particular特别, 特定, 特殊, 具体, 特, 一定副词certainly当然, 一定, 无疑, 的确, 毫无疑问, 必necessarily一定, 必surely一定, 定, 的确地, 保管for sure一定, 必然, 准保
空空的小新
英文：make sure
美式读音：mek ʃʊər
confirm：vt. 确认；确定；证实；批准；使巩固
ensure：vt. 保证，确保；使安全
ascertain：vt. 确定；查明；探知
make sure：确信；证实
determine：v. （使）下决心，（使）做出决定；vt. 决定，确定；判定，判决；限定
例句：
1、已展开调查以确定事故原因。
An inquiry was set up to determine the cause of the accident.
2、我不确定我会不会再相信人。
I'm not sure I'll ever trust people again.
3、我不确定这是勇气还是顽固。
I am not sure whether this was courage or pigheadedness.
4、我们不太确定这颗彗星是否会错过地球。
We were not altogether sure that the comet would miss the Earth.
玉江style
一定：certain.
例句：
我一定会时刻睁大眼睛提防他的行为。
I shall certainly keep a beady eye on his behaviour.
这项工作必须在一定期限内完成。
The work must be completed within a certain time limit.
我觉得我们一定是在什么地方拐错了路。
I think we must have taken a wrong turning somewhere.
一定要找个宽敞地儿坐得舒服一点。
Make sure you have plenty of room to sit comfortably.
一定要确保所有的门都锁好了再走。
See that all the doors are locked before you leave.
