1. be all abroad : 感到莫明其妙, 不中肯, 离题；
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名词
了解海关手续
1. 到国外；在国外
If you go abroad, you go to a foreign country, usually one which is separated from the country where you live by an ocean or a sea.
2. 在四下流传;广为流传地
If there is a story or feeling abroad, people generally know about it or feel it.