砥 [－]

Jyutping zi2
Pinyin dǐ

Definitions (CC-CANTO)

baffle (pier)/whetstone/to polish

Definitions (粵典–words.hk)

語素
砥石，質地幼細堅實嘅石，磨刀果陣用嚟做拋光，令刃面平滑
fine grained grinding stone
- 砥礪
  砥砺
  to practice and improve the skill, figurative
- 中流砥柱
  中流砥柱
  mainstay; cornerstone
語素
用幼磨刀石幼細地磨刀
to sharpen and shine the knife with fine grinding stone
- 砥甲礪刃
  砥甲砺刃
  to shine the armor and sharpen the knife
近義詞
礪

砥 [－]

Jyutping zi1
Pinyin dǐ

Definitions (CC-CANTO)

baffle (pier)/whetstone/to polish

砥 [－]

Jyutping dai2
Pinyin dǐ

Definitions (CC-CANTO)

baffle (pier)/whetstone/to polish

Definitions (粵典–words.hk)

語素
砥石，質地幼細堅實嘅石，磨刀果陣用嚟做拋光，令刃面平滑
fine grained grinding stone
- 砥礪
  砥砺
  to practice and improve the skill, figurative
- 中流砥柱
  中流砥柱
  mainstay; cornerstone
語素
用幼磨刀石幼細地磨刀
to sharpen and shine the knife with fine grinding stone
- 砥甲礪刃
  砥甲砺刃
  to shine the armor and sharpen the knife
近義詞
礪

Definitions (Wiktionary)

character, literary
fine-grained whetstone
character, obsolete
smooth; level; even
character, obsolete
to grind; to polish
character, obsolete
to temper oneself; to steel oneself

Definitions (Unihan)

a whetstone
to polish
Cangjie Input
MRHPM

砥 [－]

Jyutping dai1
Pinyin dǐ

Definitions (CC-CEDICT)

baffle (pier)
whetstone

Definitions (CC-CANTO)

baffle (pier)/whetstone/to polish

Examples (粵典–words.hk)

Cantonese
砥砺
砥礪
- to practice and improve the skill, figurative
- grinding stones, also figuratively to practice and improve skills
Cantonese
中流砥柱
中流砥柱
- mainstay; cornerstone
Cantonese
砥甲砺刃
砥甲礪刃
- to shine the armor and sharpen the knife
Cantonese
互相砥砺
互相砥礪
- to practice and drill very hard with each other
Cantonese
阿修系足球队嘅中流砥柱。
阿修係足球隊嘅中流砥柱。
aa3 sau1 hai6 zuk1 kau4 deoi2 ge3 zung1 lau4 dai2 cyu5.
- Ah-sau is the mainstay of the football team.

Examples (Wiktionary)

Mandarin
砥砺品行
砥礪品行
dǐ lì pǐn xíng
- to strengthen one's character