for certain

漢語翻譯

英文解釋：

副詞 for certain:

1. definitely or positively (`sure' is sometimes used informally for `surely')
   同義詞：surely, certainly, sure, for sure, sure enough, sure as shooting

例句：

1. I don't yet know for certain.
   我知道得不確切。
2. I couldn't say for certain when he'll arrive.
   我說不準他什麽時候到。
3. For certain reasons I will be unable to attend the meeting.
   因為某種原因，我不能出席這次會議。
4. I can't say for certain.
   我說不準。
5. I don't know for certain.
   我確實不知道。
6. I can't say for certain what to do.
   我說不準該做什麼。
7. I can't say for certain when he will arrive.
   我說不準他什麼時候會來。