John was working so hard on his project that he didn't notice his mom enter the room.

约翰正在努力做他的项目，以至于他没有注意到他妈妈进入房间。

youdao

I promise I won't answer back and scold you, only one mouthful still, mom, you are working hard.

我保证打不还手，骂仅还一口——亲你一口，老妈，你辛苦了。

youdao

I promise I won't answer back and scold you, only one mouthful still, mom, you are working hard.

我保证打不还手，骂仅还一口——亲你一口，老妈，你辛苦了。

youdao