therefore ['ðɛrfɔr] 词频2

adv. 因此;所以;故;乃;

💡 there这样+fore无实义 → 因此，所以

"He lost his health, and therefore his difficulties increased."

近义：hence, hencewith, hereupon, appropriately, avaunt, properly

quality ['kwɑləti] 词频1 词根: quali

n. 质量，品质;美质，优点;才能，能力，技能，素养;品种; adj. 优质的，高质量的;上流社会的;

💡 qual资格+ity表名词 → n.质量；品质，特性

"The burden of his complaint was that quality was very poor."

近义：manner, mode, nature, way, character, kind 反义：poorness, shoddiness, sleaziness, trashiness

consideration [kən,sɪdə'reʃən] 词频2 词根: 星辰

n. 考虑，考察;照顾，关心;报酬;尊敬;

💡 con共同+ sid站+er表动作+ation名词后缀 →考虑

"Careful consideration should be given to issues of health and safety."

近义：observation, pondering, reflection, study, deliberation, regard 反义：inconsiderateness, thoughtlessness

first [fɝst] 词频1

n. 第一，最初;头等;一号，;[乐]高音部; adv. 最早，最初;首次;宁愿;优先; adj. 第一流的;最初的，最早的;基本的，概要的;高音的; num. 第一;

💡 泰森 第一拳(fist)打在稻草(r)人身上，训练

"Freud first mentioned this concept in his paper'On Narcissism '."

近义：initial, beginning, prime, foremost, initiative, preliminary 反义：hindermost, hindmost, latest, latter, rearmost, utmost