真是好孩子，吃完后你可以出去玩了的英文

that’s good boy,eat it up and then you can go out to play

• 孩子:    child
• 吃:    eat; take; make
• 完:    intact; whole
• 后:    behind; back; rear
• 你:    you
• 可以:    can; may
• 出去:    go out; get out
• 玩:    play; have fun; am ...
• 了:    finish; complete; ...