bug·bear
noun/ˈbʌɡbeə(r)/
/ˈbʌɡber/
(especially British English)- a thing that annoys people and that they worry about
使人烦恼担忧的事；牵挂 - Inflation is the government's main bugbear.
通货膨胀是政府最头痛的问题。
Word Originlate 16th cent.: probably from obsolete bug ‘bogey’ (of unknown origin) + the noun bear. - Inflation is the government's main bugbear.