“You have no idea how happy this makes me.”
你根本想不到这事让我多开心。
把开心说到对方想不到的程度,比 I'm happy 更有劲。
have no idea how + 形容词 + 从句
对朋友说笑、表达你根本想不到我多……时用,正式场合别说。
you wouldn't believe how glad I am / you have no clue how much this means to me
口语
no idea how 连读,重音落在 happy。
You have no idea how relieved I am to hear that. 你根本想不到我听到这话有多松口气。
