in seventh heaven
US /ɪn ˈsɛvənθ ˈhɛvən/
UK /ɪn ˈsɛvənθ ˈhɛvən/

1.
乐开了花, 非常高兴
in a state of extreme happiness
:
•
After winning the lottery, she was in seventh heaven.
中彩票后,她乐开了花。
•
The kids were in seventh heaven when they got new toys.
孩子们得到新玩具时乐开了花。