child's play
英 [tʃaɪldz pleɪ]
美 [tʃaɪldz pleɪ]
极其简单（容易）的事
英英释义
noun
- activity by children that is guided more by imagination than by fixed rules
- Freud believed in the utility of play to a small child
- any undertaking that is easy to do
- marketing this product will be no picnic