Learn how to say Bugbears correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word bugbear:
1a cause of obsessive fear, anxiety, or irritation:
the biggest villain is that adman’s bugbear, saturated fat
2 archaic an imaginary being invoked to frighten children, typically a sort of hobgoblin supposed to devour them.
late 16th century: probably from obsolete bug ‘bogey’ (of unknown origin) + bear2