set out的造句如下：
They set out on their hiking expedition at sunrise.
The explorers set out for the uncharted territories with excitement and anticipation.
We set out to find the truth behind the mystery.
He set out his reasons for what he had done.
Columbus and his crew set out from Europe in 1492.
The professor sets out his ideas clearly in his article.
They set out as the sun was rising.
She set out to create a healthier lifestyle by exercising regularly and eating well.
He bade his parents farewell and set out on his journey.
When setting out on a long walk, always wear suitable boots.
set out意為「出發；開始；陳述」等，可根據具體語境選擇合適的解釋併合理使用。