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:
她和丈夫正認真考慮賣車以償還貸款並支付房租。
。关于这个话题，WPS下载最新地址提供了深入分析
曾经的骆驼湾村，“九山半水半分田，石头缝里难挣钱”，进村的路，是坑坑洼洼的黄土路。
06:41, 28 февраля 2026Мир