capricious
/kəˈprɪʃəs/📚 18109托福Someone who is capricious often changes their mind unexpectedly. 反复无常的; 易变的
adjective [原级]（态度或行为）反复无常的，任性的；变幻莫测的，多变的；不合逻辑的，不合情理的
He was accused of being capricious and undemocratic.
他被指责反复无常，不讲民主。
单词造句:
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- Calling them a bunch of capricious kids with half-formed ideas does them an injustice. 把他们称作一群懵懂无知、喜怒无常的孩子是冤枉了他们。
- They're not the menials and servants of capricious gods. 他们也不是变幻无测上帝的奴仆。