邻居们都认为他是个怪人，因为他坚信地球是平的。

The neighbors think he's a ___crank because he stubbornly believes the earth is flat.

这个老式印刷机的曲柄需要更换了。

The ___crank on this old printing press needs to be replaced.

他不得不费力地摇动把手才能启动这台老式拖拉机。

He had to ___crank the handle hard to start the old tractor.

派对快结束时，他们把音乐音量调到了最大。

As the party neared its end, they ___cranked the music volume to the max.