In my humble opinion , you were in the wrong.

依拙见，你错了。

It is, in my humble opinion, perhaps the best steak restaurant in the city.

以我之拙见，它也许是该市最好的牛排馆。

Which looks kinda cool in my humble opinion.

依我拙见，这看起来有一些酷。

In my humble opinion, he will win the election.

依我拙见，他将在选举中获胜。

That, in my humble opinion, is only one of the minor issues.

依愚人之见，那只是一个次要问题。