I am very keen on cycling.我很喜欢骑自行车
用on +名词 / 动名词造句:We work on improving reading and writing skills. 我们致力于提高阅读和写作技能。He's working hard on a new novel. 他正忙着写一本新小说。
He kept on working until midnight though he was tied.他累了却继续工作到半夜
On hearing the rings,he gets up.一听到铃声,他就起床了.
“Miss out on”意味着错过某事或机会。用法上,它后接名词或动名词,表达赶不上、无法参与或体验某事。例如: "Don't miss out on this opportunity to learn from the best in the industry."(不要错过从业界最优秀的人那里学习的机会)