in doubt

[in daut]

不能肯定的, 可怀疑的

例句与用法：

Always proofread completed letters very carefully. Consult dictionary when necessary or in doubt.

完成的书信一定要很小心地校对，有必要或怀疑时查典。

The outcome of the election was in doubt then.

当时大选的结果还看不准。

I am in doubt what to do.

我不知道要做什么好。

Their acceptance of the contract is still in doubt.

他们是否接受那合同还说不准。

详细释义：

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。