bugbe bitten by/have (got) the 'bug (informal)1.■have a sudden strong interest in or enthusiasm for sth 突然有了兴趣；突然着了迷:My mum was never really interested in going abroad until she went to America last year. Now she’s been bitten by the travel bug and hates staying at home! 直到去年去美国之前我妈妈从来对出国没兴趣，可是现在对旅游简直着了迷，在家里呆不住了！bug 'off! (AmE, spoken)2.■a rude way of telling sb to go away 磙开3.■(as) snug as a bug (in a rug) 另见snug