hollow laugh
... hard laugh 中的短的 hollow laugh 干笑 horse laugh 不信任的嘲笑 ...
to give a hollow laugh
... to form hollow 溛 to give a hollow laugh 干笑; 干笑 to hollow 挖空 ...
forced laugh
... cannot help laughing 忍俊不禁 forced laugh 干笑; 干笑 laugh at 嗤 ...
干笑,指勉强或做作的笑。语出《宋书·范晔传》:“﹝妻﹞骂晔曰:‘……身死固不足塞罪,奈何枉杀子孙?’ 晔 乾笑云‘罪至’而已。”