stir 这个词在牛津10里的 Oxford_CEFR 级别是 C1
而 COCA里频率排序是 verb RANK1909
剑桥4里是 B1 C2 C2
Word Family Framework (WFF) 里是
stir B1 C2 B2 C1
OED(fearfare090807) band6 ●●●●●●○○ 4495 (939~5433)
来自Collins stir ◆◆◆◇◇<3300
牛津就这个单词定级显得很另类啊 靠谱吗
作为搅拌含义很常见，尤其做菜炖汤，B1我觉得都高了，这种小词大多不是拉法西，大多都常用；
牛10如果搅拌的含义也给出C1，如果啊，那通常牛津解释里一定有比它更普通或者说更上义的小词，C1也许是现代数据分析导致的
其实这不重要，词汇量、阅读量有基础保障的前提下，词义辨析的同时适当兼顾词源，一般自己就都有基本感觉啦。
各种词典尤其英英一定要使用，但查询深度和速度要兼顾，查询是有成本的，取舍很重要。只看英汉那不如学点别的，但各种功能全看人生又不允许，字典如兵器，一寸长一寸强，一寸短一寸巧
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Word Family Framework (WFF) - 资源求助 - FreeMdict ForumWFF里的cefr比较贴近词频，覆盖也广，可惜是并没有释义
CEFR grading is largely an assessment tool, so it’s bit different and for reference only. For Cambridge Assessment they have a project called English Profile, and it serves assessment purpose if that’s what you are going after.
Words can be used differently, like for ‘concerned parents’ and ‘parents concerned’ it’s graded differently.
At C2 we also expect a variety of grammar structures, and idiomatic uses. Uncommon lexes help, but only to an extent. If you’re going after exams, there are certain lists that can help.
We also have professional tools to run analysis for CEFR purposes.