proper
adj. /ˈprɑːpər/ A2
恰当的；真正的
Right, suitable, or acceptable according to standards.
仙境例句
The poor Dormouse needed a proper bed, not a seat between two noisy friends.
可怜的睡鼠需要一张像样的床，而不是夹在两个吵吵嚷嚷的朋友中间。
原著这一句
“Don’t grunt,” said Alice; “that’s not at all a proper way of expressing yourself.”
“别哼哼，”爱丽丝说，“这样表达自己可一点都不礼貌。”
卡罗尔原著 · 第 6 章