banana skin

(infml 口) source of difficulty or embarrassment, esp to a public figure, an organization, etc 造成困难或麻烦的根源（尤对某知名人物、组织等而言）: The proposed tax changes are likely to prove a banana skin for the Government. 建议中的税务变动很可能给政府带来无穷後患.

bally, ballyhoo, balm, balmily, balminess, balmy, baloney, balsa, balsam, Baltic, baluster, balustrade, bamboo, bamboo-shoot, bamboozle, ban, banal, banality, banana, banana republic, band, Band-aid, band-saw, bandage, bandanna, bandbox, bandeau, bandit, banditry, bandmaster, bandoleer (also bandolier), bandsman, bandstand, bandwagon, bandwidth, bandy, bandy-legged, bane, baneful, banefully,