| 鲜为人知 | little-known | 通用，可修饰人 / 事物，书面口语均可 | a little-known artist例句：This little-known village has beautiful architecture. |
| obscure | 正式，因偏僻 / 久远而不为人知 | an obscure novel例句：The truth has been obscured by rumors. |
| hardly known to the public | 客观直白，强调未被大众知晓 | 例句：The scientist’s early research is hardly known to the public. |
| 遮挡 | block | 通用，侧重阻挡视线 / 光线 / 道路 | block the view/sunlight例句：The building blocks the sea view. |
| shield | 正式，侧重为保护而遮挡 | shield sb from the sun/rain例句：She shielded the child from the rain. |
| cover | 侧重遮盖表面，隐藏或保护 | cover the food with a cloth例句：Please cover the wound with a bandage. |
| obscure | 侧重使视线模糊，不完全遮挡 | 例句：Fog obscured the mountain tops. |
| screen | 侧重用遮挡物隔离空间 | screen the room from wind例句：A curtain screens the sleeping area. |
| 执法 | law enforcement | 通用正式，指执法行为 / 体系 | law enforcement agencies/officers例句：The government strengthened law enforcement. |
| enforce the law | 动词短语，强调执行法律的动作 | 例句：Police are duty-bound to enforce the law. |
| administer the law | 正式书面，侧重依法管理施行 | 例句：Courts must administer the law fairly. |
| execute the law | 正式，侧重落实法律条文 | 例句：The judicial system executes the law strictly. |
| 士气 | morale | 最通用，指群体斗志 / 信心 | boost/low/maintain morale例句：The coach’s speech lifted team morale. |
| spirit | 口语化，指集体精神风貌 | team/fighting spirit例句：The competition built up department spirit. |
| esprit de corps | 正式格调，强调集体归属感 | 例句：Training fostered strong esprit de corps. |
| 仔细查看 | examine | 正式，侧重系统严谨检查细节 | examine a document/crime scene例句：The detective examined every corner. |
| inspect | 侧重检查是否符合标准 | inspect a factory/equipment例句：The safety officer will inspect the factory. |
| scrutinize | 正式，侧重极其细致审视 | scrutinize a contract/data例句：The committee will scrutinize the proposal. |
| look over | 口语化，快速全面浏览 | look over a resume/report例句：Could you look over my resume? |
| go through | 侧重从头到尾逐一梳理 | go through the files/list例句：She went through old letters all afternoon. |
| 厉行克制 | exercise restraint | 通用正式，主动践行克制 | 例句：We must exercise restraint in the face of provocation. |
| practice self-restraint | 突出自我约束情绪 / 冲动 | 例句：Public figures should practice self-restraint. |
| exercise self-control | 口语化，强调行为掌控力 | 例句：He exercised self-control and didn’t lose temper. |
| 保持冷静 | keep calm | 简洁常用，口语书面均可 | 例句：Keep calm and call for help in an emergency. |
| stay calm | 强调维持冷静状态 | 例句：She stayed calm when hearing the bad news. |
| remain composed | 正式，强调情绪稳定镇定 | 例句：The leader remained composed during the crisis. |
| keep one's cool | 口语化，紧张时不慌乱 | 例句：It’s hard to keep your cool when annoyed. |
| 由…… 推荐 | recommended by sb/sth | 通用被动句式，人 / 机构均可 | a product recommended by a friend例句：This restaurant was recommended by my colleague. |
| on the recommendation of sb/sth | 正式，基于某人 / 物的推荐 | 例句：We chose the hotel on the travel agency’s recommendation. |
| suggested by sb | 口语化，日常提议推荐 | 例句：The movie was suggested by my cousin. |
| come highly recommended by sb | 强调强烈推崇，带积极评价 | 例句：The dentist comes highly recommended by patients. |
| 字迹模糊的、难以辨认的 | illegible | 最常用，特指字迹潦草 / 印刷不清 | illegible handwriting/signature例句：The doctor’s prescription was illegible. |
| indecipherable | 语气强，指极其模糊难破解 | indecipherable notes/hieroglyphs例句：The old letter’s words were indecipherable. |
| faint | 侧重颜色浅淡 / 褪色导致模糊 | faint pencil marks/writing例句：The address was too faint to read. |
| blurred | 侧重物理磨损 / 污渍导致模糊 | blurred text/handwriting例句：Smudged ink left the sentence blurred. |
| scrambled | 口语化，字迹杂乱无章 | 例句：His homework had scrambled words. |
| 反复出现 | recur | 正式，周期性、规律性重复 | symptoms that recur例句：The problem will recur without root cause fix. |
| reappear | 通用，消失后再次出现 | 例句：The rare bird reappeared after a decade. |
| occur repeatedly | 客观直白，强调多次出现 | mistakes that occur repeatedly例句：Accidents occur repeatedly due to poor safety. |
| crop up repeatedly | 口语化，问题意外频繁冒出 | 例句：Technical glitches crop up repeatedly in the software. |
| 死亡人数 | death toll | 最通用，灾害 / 事故累计死亡数 | death toll rises/reaches/exceeds例句：The earthquake’s death toll exceeded 200. |
| number of deaths | 中性直白，适用所有统计场景 | exact number of deaths例句：The report recorded deaths from heart disease. |
| fatalities | 正式书面，事故 / 战争 / 灾害死亡数 | traffic/military fatalities例句：The crash had no fatalities, only injuries. |
| mortality count | 专业，医学 / 统计学死亡统计 | disease mortality count例句：The disease’s mortality count declined with vaccine. |
| 其他重点单词 | whoop（n./v.） | 欢呼；喘息声；快速移动 | a whoop of joy; whoop with delight例句：Children whooped at the ice cream truck. |
| extrapolate（v.） | 正式，基于已知推导未知趋势 | extrapolate from data; extrapolate a trend例句：We can extrapolate sales trends from data. |
| detract（v.） | 正式，减损价值 / 吸引力 | detract from quality/elegance例句：Spelling mistakes don’t detract from the essay. |
| protract（v.） | 正式，无意义拖延（含消极义） | protract a meeting/negotiation例句：Don’t protract the meeting—we’re busy. |
| extract（v./n.） | 提取；摘录；提取物 | extract essence; an extract from a novel例句：The factory extracts vanilla essence from beans. |
