The conductor beat time with a baton.

指挥用指挥棒打拍子。

《牛津词典》

The conductor made it clear that no buses will be running.

售票员说得很清楚，没有公交车运行了。

youdao

I always dreamed of becoming the conductor of an orchestra.

我一直梦想成为管弦乐队的指挥。

youdao

Each concert is different, depending on the interaction between the conductor, the musicians and the crowd.

BBC: Buenos Aires�� must-see music event

Super-conduction occurs when the conductor of electricity, whether big or small, has no resistance.

FORBES: Three Key Technologies For Energy Independence

The conductor in our heads lives in the brain's frontal lobes, basically above our eyes.

NPR: Think You're Multitasking? Think Again