他推测他将成功.用英语怎么说？

他推测他将成功.

He speculated that he would succeed.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

speculated

v. 思索，猜测，推测( speculate的过去式和过去分词 )，投机；

例句
The banks made too many risky loans which now can't be repaid, and they speculated in property whose value has now dropped.
各银行贷出去太多高风险贷款，目前无法收回，他们还进行地产投机，而地产的价值目前已经下跌了。

that

det. 那个，那；pron. 那个，那；conj. 多么，如此…以至，用于某些动词、形容词和名词后，引出各种从句；adv. 不那么，那样；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

would

aux. 将，将要，愿意，会，打算，大概；v. (will 的过去式，用于转述)将；

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

succeed

vi. 成功，继承；vt. 继承，继任，继位，随…之后；

例句
This time we really need to succeed or else people will start giving us funny looks...
这次我们真的需要成功，否则人们会开始用异样的眼光看我们。