The thief got clean away. 那小偷已逃之夭夭。

The bullet went clean through his shoulder. 子彈射穿了他的肩膀。

I clean forgot about calling him. 我把給他打電話的事忘得一干二凈。

Sorry, I clean forgot (=completely forgot) your birthday. 對不起，我完全忘了你的生日。

I clean forgot that I was supposed to be meeting Lucy last night. 昨晚我本來應該跟露西見面的，結果我忘得一干二凈。

He’s been cheating his customers for years, and getting clean away with it. 他欺騙顧客多年，還一點事都沒有。

2. cleanly 的用法

cleanly 用作副詞時意思是“利索地；整齊地；誠實地，清白地”。如：

The boat moved cleanly through the water. 小船在水面上輕快地行進。

The branch snapped cleanly in two. 樹枝啪的一下斷成兩截。

Cut the stem cleanly, just beneath a leaf joint. 把莖切整齊點，正好切在葉根下。

The election campaign was not conducted very cleanly. 競選活動搞得有點不清不白。