美 [wɪp ɪn]
集合，召集（政党成员）进行立法行动：将政党成员集合在一起，进行立法行动。
驱赶（猎犬）使其不散开：使用鞭子驱赶猎犬，使其不散开。
whip in //
动词 to perform the duties of a whipper-in to a pack of hounds 持鞭驾驭群犬
用鞭(把猎狗)赶在一起：
whip in驱赶；用鞭子把…往里赶
驱赶；用鞭子把…往里赶
I had finally to resort to the gentle language of the whip in order to bring him to my will.
为了使他顺从我的意愿，我最后不得不求助于鞭子的温和语言。
Mother told her son not to whip in while others are talking.
妈妈对儿子说别人谈话时不要突然插话。
He is represented on ancient amulets, with a whip in his hand.
他所代表的是对古代护身符，以鞭在他手上。
Schimming-Chase, who serves as chief whip in the Namibian National Assembly, says women are losing ground in politics.
VOA : standard.2009.04.05
"If the image of the company is not satisfactorily strong in the public sentiment's mind it's easy for agents to whip up community outrage through the Internet through e mail, what have you, so the newspapers pick it up and say the foreign company is out to take advantage of Korea,".
VOA : standard.2009.11.05
He resigned from his post as chief whip in October following a media backlash.
He is also deputy government chief whip and Lib Dem chief whip in the House of Lords.
All of which leaves the Chief Whip in his job but still in a very bad place indeed.