concernd for 和 concernd about的区别？
about for \u533a\u522b\u5171\u540c\u70b9\uff1a\u4e24\u4e2a\u90fd\u662f\u4ecb\u8bcd\u90fd\u4e0d\u5f15\u5bfc\u4ece\u53e5\u3002
\u5dee\u522b\uff1a\u9009A\u662f\u4e0d\u884c\u6ef4\uff0c\u56e0\u4e3aabout\u662f\u5173\u4e8e\u7684\u610f\u601d\uff0cfor\u662f\u56e0\u4e3a\u5f97\u610f\u601d\uff0c\u5728\u8fd9\u91cc\u5f15\u5bfc\u4e00\u4e2a\u8868\u539f\u56e0\u5e76\u5217\u53e5\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u662f\u4e00\u4e2a\u539f\u56e0\u72b6\u8bed\u4ece\u53e5\u3002
\u7b54\u6848\u4ec5\u4f9b\u53c2\u8003\uff0c\u5e0c\u671b\u4f60\u6ee1\u610f\u3002
about \u662f\u5927\u6982\u7684\u610f\u601d
(exercise) for 5 minutes \u82b1\u4e94\u5206\u949f \uff08\u505a\u8fd0\u52a8\uff09
(exercise) about 5 minutes \uff08\u505a\uff09\u5927\u6982/\u7ea6 \u4e94\u5206\u949f (\u7684\u8fd0\u52a8\uff09
\u4f46\u662f\u4e5f\u53ef\u4ee5 for + about \u8fde\u7528\uff1a
I exercise for about 5 minutes \u6211\u82b1\u4e86\u7ea6\u4e94\u5206\u949f\u505a\u8fd0\u52a8
about \u5728\u8fd9\u91cc\u662f\u5f62\u5bb9\u8bcd\uff0c\u7528\u6765\u5f62\u5bb9\u65f6\u95f4\u800c\u5df2\u3002
为...担心 一般后跟人
比如说I was concerned for my son's lack of good eating habits我为我儿子缺乏好的饮食习惯而担心。
concern about:
关心，担心 一般后跟事情
比如说The president was more concerned about the loss of jobs总统更关心失业问题。
希望回答令你满意 ^-^
concernd for 侧重原因 为什么而担心 concernd about 关心 侧重对象 有时可以通用
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