穴,孔,洞,峽谷 [hole, cave, opening, ravine]
穿,鑽,隙 [prick, pierce, pave the way, break through]
徹,亮 [get to touch the point, comprehend, bright]
穴,鑽,穿鑽 [hole, drill hole]
芽苗雛,孵,乙 [sprout, bud, hatch of, cyclical sign]
芽,甲,苗 [sprout, cyclical sign, seeding]
穿,穿通,鑽 [pierce, cut through, drill]