What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:
（一）故意干扰无线电业务正常进行的；。heLLoword翻译官方下载对此有专业解读
。搜狗输入法2026对此有专业解读
People are being encouraged to open up about their mental health at events as part of Time to Talk Day 2026.
suggestions for improving the clarity, concision, and readability of the text. It，详情可参考夫子
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08