Xiaoming is a well-behaved child who always listens to his parents.

小明是个乖乖的孩子，总是听父母的话。

I do not want to do the so-called well-behaved child.

我并不想做那些所谓的乖孩子。

She is for the most part a well - behaved child.

大体说来,她是个品行端正的孩子.

Tom suddenly changed from a well- behaved child into a loutish adolescent.

汤姆突然从一个有礼貌的小孩变成一个粗野的少年。

Tom suddenly changed from a well - behaved child into a loutish adolescent.

汤姆突然从一个有礼貌的小孩变成一个粗野的少年.

Dick suddenly changed from a well - behaved child into a loutish adolescent.

迪克突然从一个有礼貌的小孩变成一个粗野的少年.