| 1 | 曾 | 曾 | céng | ceng2 | once; already; ever (in the past); former; previously; (past tense marker used before verb or clause) | | |
| 2 | 曾经 | 曾經 | céng jīng | ceng2 jing1 | once; already; former; previously; ever; (past tense marker used before verb or clause) | | |
| 3 | 不曾 | 不曾 | bù céng | bu4 ceng2 | hasn't yet; hasn't ever | | |
| 4 | 未曾 | 未曾 | wèi céng | wei4 ceng2 | hasn't (or haven't); hasn't ever | | |
| 5 | 曾几何时 | 曾幾何時 | céng jǐ hé shí | ceng2 ji3 he2 shi2 | just a while before; not so long ago; everyone can remember when.. | | |
| 6 | 曾经沧海 | 曾經滄海 | céng jīng cāng hǎi | ceng2 jing1 cang1 hai3 | lit. having crossed the vast ocean (idiom); fig. widely experienced in the vicissitudes of life | | |
| 7 | 曾经沧海难为水,除却巫山不是云 | 曾經滄海難為水,除卻巫山不是雲 | céng jīng cāng hǎi nán wéi shuǐ , chú què wū shān bù shì yún | ceng2 jing1 cang1 hai3 nan2 wei2 shui3 , chu2 que4 Wu1 Shan1 bu4 shi4 yun2 | there are no rivers to one who has crossed the ocean, and no clouds to one who has passed Mount Wu (idiom); one who has seen the world doesn't stop at small things | | |
| 8 | 曾沛慈 | 曾沛慈 | céng pèi cí | ceng2 pei4 ci2 | Zeng Peici | | |
| 9 | 曾任 | 曾任 | céng rèn | ceng2 ren4 | Former Position | | |
| 10 | 何曾 | 何曾 | hé céng | he2 ceng2 | did I ever ...? (or "did he ever ...?" etc) | | |
| 11 | 似曾相识 | 似曾相識 | sì céng xiāng shí | si4 ceng2 xiang1 shi2 | déjà vu (the experience of seeing exactly the same situation a second time); seemingly familiar; apparently already acquainted | | |