干笑 乾笑

    gānxiào

    1. Verbto give a hollow laugh; to force a smile; forced laugh

    他听到这个笑话后只是干笑了几声。Tā tīngdào zhège xiàohua hòu zhǐshì gānxiào le jǐ shēng.He just let out a dry laugh after hearing the joke.