(1).堅固?!?a href="/hycd/h/h251136.htm" target="_blank">后漢書·馬援傳》:“ 破羌 以西城多完牢,易可依固?!薄段簳ぴ磻褌鳌罚骸?a href="/hycd/p/p122820.htm" target="_blank">譬如為屋,但外望高顯,楹棟平正,基壁完牢,風雨不入,足矣?!?/p>
(2).穩(wěn)妥牢靠?!?a href="/hycd/z/z33123.htm" target="_blank">資治通鑒·晉武帝咸寧五年》:“今事為之制,務從完牢,若或有成,則開太平之基,不成不過費損日月之間,何惜而不一試之!”