The satellite acts as a drag on the shuttle.

卫星是对航天飞机发展的阻碍。

She took a long drag on her cigarette.

她长长地抽了一大口烟。

He took a drag on his cigarette, and exhaled the smoke.

他咂了口烟，然后吐出烟雾。

He came to be seen as a drag on his own party's prospects.

他逐渐被看成是阻碍自己的党走向未来的绊脚石。

That seems like a horrible mess that will drag on for years.

那看来像是一个将要延续多年的糟糕困境。