/ˌəʊvəˈhæŋ; NAmE ˌoʊvərˈh-/ [transitive] (overhung, overhung /-ˈhʌŋ/) to have an influence and a negative effect on sth
对（某事）产生不利影响◆Soaring oil prices continue to overhang the stock market.
油价飈升继续对股票市场产生不利影响。