challenging

UK:  ['tʃælɪndʒɪŋ]

US:  ['tʃælɪndʒɪŋ]

adj.

1.挑战的,挑战性的,咄咄逼人的

2.棘手的,复杂的

3.诘难;引起争议的

4.引人注目

5.称心如意的

1 . the strong wine red of the carpet and the red-white patterned bedspread gave it a certain challenging gaiety(being gay).
深酒红色地毯和红白色图案的床罩相互挑战谁比较华丽（是快乐的）。

2 . The activity may be just right for you and a challenging exercise for your dog.
这样的活动对你很合适，对狗狗来说也是一项很有挑战的运动。

3 . Melbourne's Federation Square complex, with its sharp geometric shapes, represents challenging modern architecture in the heart of the city.
墨尔本联邦广场建筑群以其鲜明的几何形状屹立于市中心，成为富有挑战性的现代建筑的代表。

4 . The complexity introduced by such a mixed system makes the integration of a business rules system that much more challenging.
由此类混合系统引入的复杂性使业务规则系统的集成变得更有难度。

5 . In the second level the pumpkins moved in less predictable patterns and made things a bit more challenging (but only a little bit).
第二关南瓜妖怪的移动变得不那么容易预测，这使游戏增加了一些难度（不过只增加了一点点）。