three-line whip

(Brit) written notice to Members of Parliament from their party leader insisting that they attend a debate and vote in a particular way （政党领袖要求本党议员出席辩论并按指示投票的）书面通知.

thoughtlessness, thousand, Thousand Island dressing, thousandfold, thousands of, thousandth, thrash, thrashing, thread, threadbare, threadlike, threat, threaten, threaten with, threatening, three, three-, three-decker, three-legged, three-legged race, three-piece, three-ply, three-point turn, three-quarter, threefold, threepence, threepenny, threepenny bit, threescore, threesome, thresh, thresher, threshold, threw, thrift, thriftily, thriftiness, thrifty, thrill, thriller,