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Please check out the following sentences.

(1) I deceived them that I wanted to buy a reference book.

(2) Soon my lie was disclosed.

(3) My dad told me if I tell a lie, I will not be trusted in.

(4) An untrustful person will be unhappy in all his life and have a misery life.
Comments  
(1) I decieved them into thinking that I wanted to buy a reference book.

(3) My dad told me that if I tell a lie, I will not be trusted in.

(4) A *distrustful person will be unhappy in all his life and have a miserable life.

*depending on what you are trying to say, "mistrustful" can also be used.

The difference is:

"Mistrustful" is a bit more passive and is mostly used to denote a lack of confidence in someone/something.

"Distrustful" is a stronger word, mostly used to indicate suspicion and a total lack of trust.
In #4, can the word "distrustful" be replaced by "untrustworthy"? It is written as following.

An untrustwrothy person will be unhappy in all his life and have a miserable life.
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Yes, "untrustworthy" can be used. Emotion: smile