She could be wayward, petulant, and disagreeable.

她有时也会任性、脾气很坏、很暴躁。

64. When the disagreeables of life were in question, Rose instinctively took upon her, in addition to her own share, what she could of her sister's.

碰到生活上有如意事情，罗斯便自然而然地除了负自己伤儿外，还尽可能地承担她份儿。