区别辨析appear、look与seem

这些动词均有“看起来，好像是”之意。

appear ：指从感观印象看似乎是如此，但有时着重指因视野、观点限制而产生的歪曲印象。

• She appeared to be in her late thirties.
  看样子她快四十岁了。
• They appeared not to know what was happening.
  他们似乎不知道正在发生的事。

look ：指从样子看起来，侧重通过视觉而建立的印象。

• That book looks interesting.
  那本书好像很有趣。
• You made me look a complete fool!
  你弄得我像个十足的个傻瓜！

seem ：多指从主观印象或个反应得出的看法。

• It seemed like a good idea at the time.
  当时这主意好像不错。
• It always seemed as though they would get married.
  他们一直仿佛是要结婚似的。