Given to or marked by willful, often perverse deviation from what is desired, expected, or required in order to gratify one's own impulses or inclinations.
任性的具有或以任性为特征的, 通常与为了满足某人自己的冲动或癖好所期待、盼望或要求的完全相反
Being at variance with what is right, proper, or suitable; perverse.
邪恶的与正确的、合适的、适宜的事不一致的; 乖张的
We all wanted to go tomorrow, but she had to be perverse and insisted on going today.
我们都想明天去, 但她十分任性偏要今天去。