spoil
US /spɔɪl/
UK /spɔɪl/

1.
2.
甘やかす
to treat someone very well by giving them whatever they want
:
•
Her grandparents always spoil her with gifts.
彼女の祖父母はいつも彼女を贈り物で甘やかす。
•
Don't spoil the child too much, or they'll become demanding.
子供を甘やかしすぎると、わがままになるよ。