1. A hearty laugh is delightful harmony; indeed, it is the best of all music.
会心的笑声是一种令人愉悦的和谐，确实，它是最完美的音乐。
2. A delightful quality associated with harmony of form or color, excellence of craftsmanship, truthfulness, originality, or another property.
用茶点的时候，她们彼此交换了意见，一致认为，这一天尽管异乎寻常的长，却挺快活。