child意为“孩子”、“儿童”、“幼稚的人”，children是child的复数，是可数名词。child有be with child（怀孕；有喜）；be child’s play（极容易做；轻而易举）的用法。
child的用法1.儿童；小孩
（1）a child of three/a three-year-old child
三岁小孩
（2）men, women and children
男人、女人及儿童
（3）an unborn child
胎儿
（4）not suitable for young children
不适于幼儿
（5）I lived in London as a child.
我小时候住在伦敦。
（6）a child star
童星
2.子女；儿子；女儿
（1）They have three grown-up children.
他们有三个成年的孩子。
（2）a support group for adult children of alcoholics
帮助酗酒者成年子女的小组
（3）They can't have children .
他们不能生孩子。
3.深受……影响的人
a child of the 90s
90年代的人
4.孩子气的人；幼稚的人；不负责任的人
children的用法（1）She denied the murder of four children who were in her care.
她否认杀害了她所照管的4个孩子。
（2）When your children misbehave tell them without making them feel small.
孩子表现不佳时要让他们知道，但不能让他们自惭形秽。
（3）Children at school receive coloured stars for work well done.
学校里的孩子表现得好会得到彩色星星。
（4）She spends her Easter holidays taking groups of children to France.
她带领一群孩子去法国过复活节。
（5）The children were waiting for placement in a foster care home.
这些孩子在抚育院等待安置。
