- 承接《词汇 tombstone–trickster》，继续按字母顺序收录 C2 词表，这篇收 T 开头到 U 开头的一批（trifle - unease）。
- 涵盖"混乱/骚动"类近义词群（tumult、tumultuous、turbulence、turbulent、turmoil）和 under- 前缀派生词群（underdog、underling、undertone 等）。
- 学完继续扩充高阶词汇量。
重点内容
| 英文 | 音标 | 中文 | 例句 | 常用搭配 |
|---|---|---|---|---|
| trifle (n.) | /ˈtraɪfl/ | 小事；微不足道的东西 | worried over a mere trifle | a mere trifle |
| trilogy (n.) | /ˈtrɪlədʒi/ | 三部曲 | the final film in the trilogy | a fantasy trilogy |
| trinket (n.) | /ˈtrɪŋkɪt/ | 小饰品 | sold cheap trinkets to tourists | a small trinket |
| trite (adj.) | /traɪt/ | 陈腐的；老套的 | ended with a trite conclusion | a trite phrase |
| troupe (n.) | /truːp/ | 剧团；表演团体 | a travelling theatre troupe | a dance troupe |
| truculent (adj.) | /ˈtrʌkjələnt/ | 好斗的；蛮横的 | responded in a truculent manner | a truculent tone |
| trudge (n.) | /trʌdʒ/ | 跋涉；沉重的脚步 | a long trudge through the snow | a weary trudge |
| truism (n.) | /ˈtruːɪzəm/ | 不言而喻的道理 | repeated the old truism about hard work | a familiar truism |
| truncate (v.) | /trʌŋˈkeɪt/ | 截短；缩短 | the report was truncated for space | truncate a sentence |
| trusteeship (n.) | /trʌˈstiːʃɪp/ | 托管；受托人身份 | placed under UN trusteeship | international trusteeship |
| tumult (n.) | /ˈtjuːmʌlt/ | 骚动；喧闹 | the tumult of the crowded market | political tumult |
| tumultuous (adj.) | /tjuːˈmʌltʃuəs/ | 混乱的；喧闹的 | a tumultuous decade of change | a tumultuous relationship |
| tundra (n.) | /ˈtʌndrə/ | 苔原 | wildlife adapted to the Arctic tundra | the Arctic tundra |
| turbulence (n.) | /ˈtɜːbjələns/ | 动荡；湍流 | economic turbulence hit the markets | severe turbulence |
| turbulent (adj.) | /ˈtɜːbjələnt/ | 动荡的 | lived through a turbulent period | a turbulent history |
| turmoil (n.) | /ˈtɜːmɔɪl/ | 混乱；动荡 | the country was thrown into turmoil | political turmoil |
| turncoat (n.) | /ˈtɜːnkəʊt/ | 叛徒；变节者 | branded a turncoat by his party | a political turncoat |
| turpitude (n.) | /ˈtɜːpɪtjuːd/ | 卑劣；堕落 | accused of moral turpitude | moral turpitude |
| tutelage (n.) | /ˈtjuːtəlɪdʒ/ | 监护；指导 | trained under the tutelage of a master | under the tutelage of |
| twilight (n.) | /ˈtwaɪlaɪt/ | 黄昏；暮年 | walked home in the twilight | the twilight of his career |
| tycoon (n.) | /taɪˈkuːn/ | 大亨 | a media tycoon with global influence | a business tycoon |
| typhoon (n.) | /taɪˈfuːn/ | 台风 | the coast braced for the typhoon | a powerful typhoon |
| tyranny (n.) | /ˈtɪrəni/ | 暴政 | rose up against years of tyranny | escape tyranny |
| tyrant (n.) | /ˈtaɪrənt/ | 暴君 | overthrew the tyrant after decades | a ruthless tyrant |
| ubiquitous (adj.) | /juːˈbɪkwɪtəs/ | 无处不在的 | smartphones are now ubiquitous | ubiquitous technology |
| ubiquity (n.) | /juːˈbɪkwəti/ | 普遍存在 | the ubiquity of social media | the ubiquity of |
| ultimatum (n.) | /ˌʌltɪˈmeɪtəm/ | 最后通牒 | issued an ultimatum to the rebels | give an ultimatum |
| umbrage (n.) | /ˈʌmbrɪdʒ/ | 生气；不悦 | took umbrage at the remark | take umbrage |
| umpire (n.) | /ˈʌmpaɪə(r)/ | 裁判 | the umpire made a controversial call | a cricket umpire |
| unanimity (n.) | /ˌjuːnəˈnɪməti/ | 一致同意 | reached unanimity on the decision | rare unanimity |
| unanimous (adj.) | /juˈnænɪməs/ | 一致同意的 | a unanimous vote in favour | a unanimous decision |
| unctuous (adj.) | /ˈʌŋktʃuəs/ | 谄媚圆滑的 | an unctuous salesman | an unctuous manner |
| undaunted (adj.) | /ʌnˈdɔːntɪd/ | 无畏的；不气馁的 | undaunted by the setback, she tried again | remain undaunted |
| undercurrent (n.) | /ˈʌndəkʌrənt/ | 潜流；暗流 | an undercurrent of resentment | an undercurrent of tension |
| underdog (n.) | /ˈʌndədɒg/ | 处于劣势的一方 | the underdog won the championship | root for the underdog |
| underling (n.) | /ˈʌndəlɪŋ/ | 下属 | ordered his underlings around | a lowly underling |
| underpinning (n.) | /ˈʌndəpɪnɪŋ/ | 基础；支撑 | the theoretical underpinning of the policy | the underpinning of |
| understatement (n.) | /ˈʌndəsteɪtmənt/ | 轻描淡写 | calling it a problem is an understatement | a classic understatement |
| understudy (n.) | /ˈʌndəstʌdi/ | 替补演员 | stepped in as the lead's understudy | act as understudy |
| undertaker (n.) | /ˈʌndəteɪkə(r)/ | 殡葬承办人 | called the local undertaker | a funeral undertaker |
| undertaking (n.) | /ˌʌndəˈteɪkɪŋ/ | 事业；承诺 | a risky business undertaking | a solemn undertaking |
| undertone (n.) | /ˈʌndətəʊn/ | 潜在意味；低声 | spoke with a bitter undertone | a racial undertone |
| underworld (n.) | /ˈʌndəwɜːld/ | 黑社会；地下世界 | connections to the criminal underworld | the criminal underworld |
| underwriter (n.) | /ˈʌndəraɪtə(r)/ | 保险承保人 | assessed by an insurance underwriter | an insurance underwriter |
| undoing (n.) | /ʌnˈduːɪŋ/ | 毁灭的根源 | his pride proved to be his undoing | be someone's undoing |
| unease (n.) | /ʌnˈiːz/ | 不安 | a growing sense of unease | public unease |
*tumult*（骚动；喧闹）、*turmoil*（混乱；动荡）、*turbulence*（动荡；湍流）三个词都描述混乱状态，tumult 偏重喧闹声响，turmoil 偏重局势的混乱不安，turbulence 更常用于经济/物理（气流）层面的剧烈波动。
Sources
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