How to say “My nephew built a lunar rover out of Lego and spent the whole afternoon exploring under the sofa with it.” in Japanese
In Japanese
甥がレゴで月面車を作って、午後ずっとそれでソファの下を探検してた。
Oi ga rego de getsumensha o tsukutte, gogo zutto sore de sofa no shita o tanken shiteta.