下面这句话中的“a high level of playfullness”作何解

下面这句话中的“a high level of playfullness”作何解 a level of analysis作何解释 关于a high level of civilization You should seek English level a little bit high of The teacher is known__(have) a high level of English. people generally dont have a high level of attitude awarenes 请问这句话中的manner作何解? 用high level of civilized造句 翻译His method of obtaining a high level of productivity is de 2.it's the sort of work that calls for a high level of conce 英语翻译请帮忙翻译下面这句话：Level-D tasks are scheduled on a best-effort high-level