一位孩子的妈妈说,他的孩子从小就有咬指甲的毛病,至今没改。当初她想孩子还小,长大了毛病会慢慢改掉。可是几年过去,还是没有改,她担心这个坏习惯会给孩子今后的人生带来不良影响。 The mother of one child said that his child had bitten nails since he was young and has not changed his mind so far. At first, she thought the child was still young and grew up with a mistake and slowly changed it. But a few years later, or no change, she worried that this bad habit will have a negative impact on the child’s future life.