"大意失荆州","阴沟里翻船"这种意思,英语里的表达是?

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"大意失荆州","阴沟里翻船"这种意思,英语里的表达是?

应该是suffer a major setback due to carelessnessfail miserably in a very easy taskfail miserably in a very easy taskWhen I came to the United States in 1999,I was quite pro-China and always defended C...