The seventh heaven七重天;极乐
in the seventh heaven在无比的幸福快乐中
be int the seventh heaven欢天喜地
同义词：blissblissfulnesscloud ninewalking on air
N-UNCOUNT（不可数名词） If you say that you are in seventh heaven, you mean that you are in a state of complete happiness. 极乐; 欢天喜地 [非正式]['in' N]