Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。
新概念英语第三册
Lesson 59 Collecting
📚 句中词汇解析
从本句中提取的重要词汇
n. 权威;权力;学术权威;[复数]当权者;
💡 author作者+ity名词后缀 → 权力，威信
"in a position of authority"
当权
近义：influence, arbitration, jurisdiction, ascendancy, mastery, might
反义：subjection, subservience, subserviency
adv. 大概;或许;很可能;备不住;
💡 probab=probable可能的+ly表副词 →可能性
"Most of the story about his private life was probably apocryphal."
有关他私生活的事可能大部分都是虚构的.
近义：likely, maybe, perchance, perhaps, plausibly, possibly
反义：assuredly, absolutely, positively, quite, surely, thoroughly
adj. （语言） 非正式的;口语体的;不拘礼节的;友好随便的;
💡 in不+formal正式的→非正式的；不拘礼节的；通俗的；日常使用的
"Discussions are held on an informal basis within the department."
讨论限于在本部门内非正式地进行。
近义：sports, casual, unceremonious, offhand, chatty, colloquial
反义：official, protocolar, protocolary, ceremonious, conventional, formalistic
vi. 变为，成为;变得;变成;
vt. 适合，适宜;相称，相当;变成;发生;
💡 be(upon)+come→变为；成为(=to come upon）
"In a world that had suddenly become alien and dangerous, he was her only security."
在一个突然变得陌生而危险的世界里，他是她唯一的守护神。
近义：turn, wax, get, go, grow, suit
反义：remain, keep, stay, get
prep. （表示方向）越过;（部份或全部覆盖）在…上面;由于;（表示论及）关于;
adv. 结束;再;（倒）下;从一边至另一边;
adj. 过去的;外面的;在上的;上级的;
n. 额外;剩余;剩余（或多余）的量;剩余物;
int. [电信学]报文完，请回复！;
vt. 走过，跳过;[美国方言]从…恢复过来;
"The government did an about-turn over nuclear energy."
政府对核能的态度来了个180度的大转变。
近义：above, on, up, regarding, relating, respecting
反义：under, below, beneath