还不能确定的英文：
hang in doubtdoubt

参考例句：

The doctor was unable to type the rare disease.
医生不能确定那种罕见病的类型。

Of uncertain outcome;undecided.
不能确定的未决的;未定的

There is no surety he ever reached the river
不能确定他到过河边。

He was uncertain of the meaning of the sentence.
他对那句子的意思不能确定。

But I'm not so sure that I want to leave New York.
但我不能确定我真想离开纽约。

Sorry, we can't confirm your reservation right now.
抱歉，我们现在还不能确定你的预约。

The doctors were unable to assign a cause for her illness.
大夫们不能确定她起病的原因。

It is by no means clear that the financial markets will not relapse into panic.
现在还不能确定金融市场不会重新陷入恐慌。

I can't ensure that he will be there in time.
我不能确定他会及时到那里。

Such convolutions leave the reader in a high state of uncertainty about what you just said
这样拐弯抹角使读者因不能确定你所说的话而十分着急。

hang是什么意思：
v. 悬挂；装饰；（被）绞死；抓牢；悬浮；（使）悬而未决
n. 悬挂

Hang on by the eyelids
事情危在旦夕

We need a hanging weight.
我们需要一个悬挂着的重物。

To hang by a hair thread
千钧一发

Thereby hangs a tale
说来话长

The sweetest grapes hang the highest
最甜的葡萄挂在最高的地方