无疑地， 确定地

ph.

1. I don't know for certain.
我无法肯定。

1. 肯定地;确凿地：for all that 尽管,虽然 | for certain 肯定地;确凿地 | for ever 永远

2. 确切地：for a song--非常便宜地 | for certain--确切地 | for company--陪着

3. 肯定地：for better or worse 不论好坏 | for certain 肯定地 | for company 陪着

4. 肯定地,确定地：for an instant 片刻,一瞬间 | for certain肯定地,确定地 | for good永久地,一劳永逸地

3. 七彩网·英语单词大全

adv

1. definitely or positively (`sure' is sometimes used informally for `surely')

e.g. the results are surely encouraging
she certainly is a hard worker
it's going to be a good day for sure
they are coming, for certain
they thought he had been killed sure enough
he'll win sure as shooting
they sure smell good
sure he'll come

Synonym: surelycertainlysurefor suresure enoughsure as shooting