presumably

　　No reply from him yet; presumably he hasn't received my letter.

　　他没有回信，想必没有收到我的信。

　　Presumably you could tell that by looking at her body, as well?

　　你也可以通过看一眼她的身材便推测出她的年龄吗?

　　probably

　　He will probably come in for a good sum of money when his uncle dies.

　　他叔叔死时他可能会得到一大笔钱。

　　perhaps

　　Straighten him out; he perhaps misunderstood what I said.

　　向他解释清楚，他也许误解了我的意思。

　　Perhaps I shall come across him in France.

　　也许我会在法国遇见他。