adj. 挑战性的
capable of being challenged
对陪审员的合法性表示反对：
应回避的
(对陪审员的出庭等提出的)反对
激发(指注入抗原以激发免疫应答)
向…查问口令；盘问：
... 要求多的demanding 要求说明challengeableinterpellateinterpellation 要求王位者pretender ...
challenging 挑战的；引起挑战性兴趣的
challenge 挑战；怀疑
challenger 挑战者
challenging 要求；质疑；反对；向…挑战；盘问（challenge的ing形式）
challenge 向…挑战
I am good at the science subjects which are challengeable.
我的理科学得很好，我觉得这些科目比较具有挑战性。
Power System Voltage Stability is a challengeable problem .
电力系统电压稳定性是一个具有挑战性的问题。
This is the most challengeable response to the secular tide.
这是面对世俗大潮的最具挑战性的回应。
The earnings multiplier for the market is challengeable in a setting of destabilized financial markets.
Mr. Carpenter states in his op ed that an independent FDA with no supervision from the administration would still be challengeable through the Administrative Procedures Act (APA).