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目を見張る， 目をみはる， 目を瞠る， めをみはる
1. to open one's eyes wide (in astonishment, wonder, etc.), to be wide-eyed, to be amazed
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
