良机，机会(time when the circumstances are right for doing sth;chance to do sth)[C，U][N(for/of)，N+to-inf]：take/seize/find/get/seek/give/create an～利用/抓住/找到/得到/寻求/提供/创造机会;He was glad to have this～for quiet contemplation.他很高兴能够得到这样一个静静思考的机会。There isn't much～for work at the moment.眼下工作的机会不多。I am glad to have this～of speaking to you alone.我很高兴有这样一个单独和你谈话的机会。Don't let slip any～of practising your English.别错过任何练习英语的机会。This will be a good～to explain that to her.这将是一个向她解释那件事的好机会。〖同〗chance，occasion，moment;

take the opportunity to do sth/of doing sth 趁(借)机……：May I take this～to thank you all for coming? 请允许我利用这个机会感谢诸位的光临。I took the～of visiting some old friends while I was in London on business.我出差去伦敦时，趁机拜访了几位老朋友。

【辨异】opportunity 与chance 和occasion的区别见CHANCE。