| 1 | 笃 | 篤 | dǔ | du3 | serious (illness); sincere; true | | |
| 2 | 笃守 | 篤守 | dǔ shǒu | du3 shou3 | to comply faithfully; sincerely abiding by | | |
| 3 | 危笃 | 危篤 | wēi dǔ | wei1 du3 | deathly ill | | |
| 4 | 私交甚笃 | 私交甚篤 | sī jiāo shèn dǔ | si1 jiao1 shen4 du3 | Personal friendship is amicable. (idiom) | | |
| 5 | 老而弥笃 | 老而彌篤 | lǎo ér mí dǔ | lao3 er2 mi2 du3 | The older one gets, the deeper one's love. (idiom) | | |
| 6 | 伉俪情笃 | 伉儷情篤 | kàng lì qíng dǔ | kang4 li4 qing2 du3 | They are so happily married. (idiom) | | |
| 7 | 杜笃玛 | 杜篤瑪 | dù dǔ mǎ | Du4 du3 ma3 | Dodoma, capital of Tanzania (Tw) | | |
| 8 | 笃专 | 篤專 | dǔ zhuān | du3 zhuan1 | with undivided attention | | |
| 9 | 笃志 | 篤志 | dǔ zhì | du3 zhi4 | sincere (in friendship); cordial; steadfast; with single-minded devotion | | |
| 10 | 笃意真古 | 篤意真古 | dǔ yì zhēn gǔ | du3 yi4 zhen1 gu3 | straightforward and traditional (of writing style) (idiom) | | |
| 11 | 笃学 | 篤學 | dǔ xué | du3 xue2 | studious; diligent in study | | |
| 12 | 笃行 | 篤行 | dǔ xíng | du3 xing2 | to carry out (obligation) conscientiously; to behave sincerely | | |
| 13 | 笃信好学 | 篤信好學 | dǔ xìn hào xué | du3 xin4 hao4 xue2 | sincere belief and diligent study | | |
| 14 | 笃信 | 篤信 | dǔ xìn | du3 xin4 | to believe firmly; devout in one's faith | | |
| 15 | 本笃・十六世 | 本篤・十六世 | běn dǔ · shí liù shì | Ben3 du3 · shi2 liu4 shi4 | Pope Benedict XVI; Joseph Alois Ratzinger (1927-), pope 2005-2013; Pope Benedict XVI; Joseph Alois Ratzinger (1927-), pope 2005-2013 | | |
| 16 | 笃实光辉 | 篤實光輝 | dǔ shí guāng huī | du3 shi2 guang1 hui1 | sincere and glorious (idiom) | | |
| 17 | 笃实 | 篤實 | dǔ shí | du3 shi2 | loyal; sincere; sound | | |
| 18 | 笃厚 | 篤厚 | dǔ hòu | du3 hou4 | honest and generous; magnanimous | | |
| 19 | 笃定 | 篤定 | dǔ dìng | du3 ding4 | certain; confident (of some outcome); calm and unhurried | | |
| 20 | 笃病 | 篤病 | dǔ bìng | du3 bing4 | seriously ill; critical | | |
| 21 | 笃爱 | 篤愛 | dǔ ài | du3 ai4 | to love deeply; devoted to sb | | |
| 22 | 诚笃 | 誠篤 | chéng dǔ | cheng2 du3 | honest; sincere and serious | | |
| 23 | 病笃 | 病篤 | bìng dǔ | bing4 du3 | critically ill; on one's deathbed | | |
| 24 | 本笃十六世 | 本篤十六世 | běn dǔ shí liù shì | ben3 du3 shi2 liu4 shi4 | Benedict XVI (Roman Catholic pope) | | |
| 25 | 本笃会 | 本篤會 | běn dǔ huì | Ben3 du3 hui4 | the Benedictines | | |