teasers
n. 戏弄者,喜欢戏弄别人的人( teaser的名词复数 )
A teaser is a difficult question, especially one in a competition.
A teaser is someone who makes fun of people in a slightly cruel way.
Those case studies of Frank's were real teasers?
弗兰克提出的那些案例的确棘手.