?
查询技巧：
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符：
   %a    以a结尾的单词；
   ab%    以ab开头的单词；
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符：
   _a_    三位且a在中间的单词；
   _ad    三位且ad结尾的单词；
   ac_    三位且ac开头的单词；
   _a    两位且a结尾的单词；
   a_    两位且a开头的单词。
4、带连字符-的单词，需含-字符才能模糊查询，如well-know需输入 well-% 。
5、在手机键盘上，如果g上有%和v上有_，则可长按输入。

stiffest

英
美 / ˈstɪfɪst /
简明 详细
adj. 不易弯曲（或活动）的；硬的；挺的；僵硬的
adv. 非常；极其；（冻）僵；（冻）硬
v. 诈骗；不还钱；（尤指）不给小费
n. 死尸
复数：stiffs；现在分词：stiffing；过去式：stiffed
例句
反义词

1. "I am getting fatter," Mary answered in what she knew was her stiffest way.
“我已经越来越胖了。”玛丽用她最生硬的方式回答。
2. The Fighting Irish faced their stiffest test against Oak Hill Academy during a tournament in January.
战斗爱尔兰面对的是自己过硬的精神风貌，对橡树山学院在一项赛事一月。
3. Notice that the stiffest tree is most easily cracked, while the bamboo or willow survives by bending with the wind.
要知道，笔直的树是最易崩裂的，而竹子或柳树却能经得起风的肆虐。
4. The stiffest competition for these exchanges comes from over-the-counter markets, which handle bespoke bilateral trades, often between banks.
因为这些交易所而进行的最激烈的竞争来自于银行间的预订办理双边贸易的场外交易市场。
5. The golf based chassis is renowned as one of the stiffest around and the decapitation process has retained much of that torsional rigidity .
高尔夫球型底盘是被誉为造就斩首过程和周围的许多保留扭生硬。