beyond/past (all) doubt

1. 无疑地; 确信地

She is right, beyond doubt.

她无疑是对的。

in doubt

1. 不能肯定的; 可怀疑的

When in doubt about the meaning of a word, consult a dictionary.

拿不准词义时, 查查词典。

no doubt

1. 无疑地; 我确信

No doubt I will succeed in the end.

我确信我最终会成功。

without (a) doubt

1. 无疑地

Without doubt, she is the best nurse in the hospital.

她无疑是那家医院最优秀的护士。


习惯用语beyond doubt1.[常作插入语]毫无疑问beyond all doubt1.[常作插入语]毫无疑问past all doubt1.[常作插入语]毫无疑问past doubt1.[常作插入语]毫无疑问beyond the shadow of a doubt (=there is not a shadow of doubt; without a shadow of doubt)1.毫无疑问, 绝对可靠cast doubt on1.对...产生怀疑, 使人对...产生怀疑throw doubt on1.对...产生怀疑, 使人对...产生怀疑hang in doubtdoubt1.悬而未决, 还不能确定lay sb.'s doubts1.消除某人的疑虑in doubtdoubt1.感到怀疑, 拿不准2.被怀疑; 悬而未决make no doubt1.(of) (对...)毫不怀疑2.(that)一定要设法确定no doubt1.无疑地; [口]很可能without (a) doubt1.无疑地