起初我以为他很粗鲁，但我得出结论他只是害羞。

At first I thought he was being rude, but I've reached the ___conclusion that he's just shy.

经过长时间的思考，我得出了以下结论。

After thinking for a long time, I came to the following ___conclusion.

基于证据，侦探得出了一个合乎逻辑的结论。

Based on the evidence, the detective drew a logical ___conclusion.