A tendentious piece of writing or speaking is one that is quietly pushing you somewhere. It looks like it is simply reporting or explaining, but it has been shaped — in what it includes, what it leaves out, which words it chooses — to move you toward a particular opinion. That hidden slant is the whole point of the word. It is a formal, rather bookish word, most at home in book reviews, academic criticism, and serious journalism, and it is nearly always a criticism. Calling a history book tendentious says the author had a case to make and bent the material to make it. What makes it a sharp and useful word is that it is not the same as 'false'. A tendentious account can be entirely accurate line by line, and still be tendentious, because of the arranging: the inconvenient facts sit in a footnote, the convenient ones get a chapter. So it accuses the writer of something more slippery than lying — of loading the dice while looking neutral. People also use it of a question. A tendentious question is one built so that any answer you give hands the asker what they wanted: 'Do you still think we should waste money on this?' Two small notes on how it lives in real speech. It is a written word much more than a spoken one — you will read it far more often than you will hear it, and in conversation people say 'biased' or 'one-sided' instead. And you will sometimes see it stretched loosely to mean just 'argumentative' or 'annoyingly opinionated'; careful writers dislike that use, but it is out there.

有偏頗的、暗中帶風向的（文章或說法表面客觀，其實在引導你往某個結論走）