No one can speak well, unless he thoroughly understands his subject.
📚 名句词汇解析
从本句名言中提取的重要词汇，帮助你深度理解这句话
n. 主题，话题;学科，科目;[哲]主观;
adj. 须服从…的;（在君主等）统治下的;
v. 提供，提出;使…隶属;
💡 sub在…下面+ject投掷，扔→扔下去→服从的，扔下去让大家讨论的主题 → 主题，主观；服从的
"She was dreading having to broach the subject of money to her father."
她正在为不得不向父亲提出钱的事犯愁。
近义：overpower, subdue, subjugate, submit, subordinate, tyrannize
反义：loose, save, deliver, emancipate, enfranchise, extricate
vt.& vi. 讲，谈;演说;从某种观点来说;
💡 蛇（s）在山峰（peak）上 说
"You must be able to speak French for this job."
干这项工作你得会说法语。
近义：lecture, natter, talk, yack, chat, converse
conj. 除非，如果不;
prep. 除了，…除外;
"The cultural life of the country will sink into atrophy unless more writers and artists emerge."
如果没有更多的作家和艺术家出现，这个国家的文化生活将衰退。
近义：save, except
adv. 彻底地;认真仔细地;完全地;非常;
"He is thoroughly domesticated and cooks a delicious chicken casserole."
他精于家务,烹制的砂锅炖小鸡非常可口.
近义：meticulously, minutely, painstakingly, precisely, punctiliously, scrupulously
反义：inconsiderately, abruptly, lightheartedly, offhand, pellmell, perfunctorily