7234. He did not continue for long with his murky intentions.

✅ The correct answer is option C.
Dishonest : behaving or prone to behave in an untrustworthy, deceitful, or insincere way.

Dull : lacking interest or excitement.

Lazy : unwilling to work or use energy.

Ominous : giving the worrying impression that something bad is going to happen; threateningly inauspicious.

Murky : obscure or morally questionable.

Synonym of Murky is Dishonest