钻头觅缝 zuāntóumìfèng to try every possible means Origin Definitions Defs Strokes Stroke Words Sentences Sents 钻头 鑽頭 zuàntou drill bit the cutting tool or bit attached to a drill or drilling machine for making holes觅 覓 mì to seek (bound form) (literary) to seek; to look for; to find缝 縫 fèng noun crack a crevice, fissure, or narrow opening