催: urge; hurry; press装: dress; outfit; attire; cloth ...催着要: press for催证并提醒对方注意与合同条款保持一致: urging the l/c and emphasizing its conformity with the clauses of s/c催租: press for payment of rental催证: urging the establishment of l/c脆: 形容词1.(容易折断破碎) fragile; brittle 这纸太脆。 this kind of paper is too fragile.2.(较硬的食物容易弄碎弄裂) crisp 脆香可口 crisp, fragrant and pleasant to taste; 这种梨又甜又脆。 these pears are sweet and crisp.3.(声音清脆) (of voice) clear; crisp 听她的嗓音多脆 ! what a crisp voice she has!4.[方言] (说话、做事爽快; 干脆) neat 这件事办得很脆。 that was a neat job催帐信: collection letter脆x染色体: fragile x chromosome催债: press for payment of debt; dun sb. for payment of debt脆X染色体: fragile x chromosome催凿: inducementtoprimordium