虚: void; emptiness色: colour不: a block of wood坚牢色泽: fast shade坚牢: fastness; firmness; hardness; kien lao; tenacity实色与虚色: real color and imaginary color不坚定: lack resolution; not to be firm enough 不坚定分子 waverer; wavering element不坚固: unsoundness不坚定的: fickle not loyal in love or friendship often changing不坚定分子: wavering element不坚定忠诚: split loyal不坚固的: unsound; unsubstantial不坚固水泥: unsound cement不坚强的: boneless不坚实的: unsound不坚实地: frailly不坚实岩层: incompetent rock不坚硬土壤: hover ground操守不坚的: fickle脆而不坚: brittle without solidity; brittle and easily breakable变坚牢: thicken坚牢的: durable; fast; stout; tight; trig坚牢地: durably; soundly坚牢度: [纺织] fastness 耐日光坚牢度 fastness to sunlight; sunfastness; 耐洗坚牢度 washfastness坚牢红: fast red
