problem child的用法和樣例：
例句
- But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，對於科學史家來說，伽利略只是在現代才變成了一個成問題的孩子了。
辭彙搭配
- problem child 難管教的兒童...
problem child的相關資料：
臨近單詞
problem box
problem
problem-solving heuristics
problem of old age residence
problem of food and clothing
problem of peasant' s income
problem-solving strategies
problem - solution pattern
problem of two fixed centers
problem being confronted with
problem-solving methodology
problem specification laguage
