英语对孩子说捡起来怎么说

To tell a child to pick something up in Engpsh, you can say:

"Pick it up, please."
"Can you please pick that up?"
"Grab that, would you?"

You can also use more specific language, depending on the context and the object being picked up. For example:

"Please pick up your toys."
"Could you pick up that pencil for me?"
"Would you mind picking up that glass and putting it in the sink?"

It's also a good idea to use please and thank you when asking a child to do something, as it helps to model good manners and encourage cooperative behavior.