abrasive的解释
n. 研磨剂
a. 磨平的
abrasive的例句
An abrasive or filler used in a soap or detergent.
增清剂肥皂或去污剂中用的研磨剂或填料

Jeff is usually an abrasive character, but he can be as sweet as honey when he wants something.
杰弗通常是一个生硬粗暴的人，但他想得到某物时，他会象蜜一样甜。