fall behind
...不足, 缺乏..., 达不到..., 不符合..., 未达到预期结果/标准
fall short of...
暂无补充释义。
相关词条
fall into...
fall
fall on/upon
fell
fall short
fall into hopeless straits
fall due
fall short of...
暂无补充释义。
fall behind
fall into...
fall
fall on/upon
fell
fall short
fall into hopeless straits
fall due