却
    When the adverb “ 却” is used as an adverbial modifier, it frequently occurs in the second clause to indicate a turn in the event, i.e., the condition is not the same as mentioned earlier. This expression is more commonly used in writing, for example,
盘子高得像座小山似的， 我拼命地洗， 这座盘子山却总是不变小。
风庭了，学却越下越大。
该来的人没有，不该来的人却来了。
“却”is frequently used with the conjunction “但是” or “可是” for emphasis, for example,
课文虽然不长，但生词却不少。
别人都很忙， 可是他却觉得没有事儿干。