He is kind and helpful.

他善良，乐于助人。

The teacher is wonderful, she is so kind and helpful to everyone.

老师很棒，她对每个人都很好，很有帮助。

Being kind and helpful she always enjoys helping others out.

她善良而且乐于助人，随时准备帮助别人。

Girls who played video games with their parents tended to be more kind and helpful than other girls, and less aggressive.

在父母陪同下玩游戏的女孩子趋向于较其他不玩的游戏的女孩子而言更加的善解人意，而且也不大咄咄逼人。