- 1
Diametrically means completely different and opposite — as far apart as two things can be.
Diametricallydiametrically（截然） means指的是 completely different and opposite完全不同、完全相反 — as far apart as two things can be就是兩件事能相差多遠就有多遠.
You almost always meet it in a set phrase: diametrically opposed, or diametrically opposite. Two ideas, two plans, two stories sit at opposite extremes and cannot both be right in the same way.
You你 almost always meet it幾乎都會看到它 in a set phrase出現在固定搭配裡: diametrically opposed完全對立, or diametrically opposite截然相反. Two ideas, two plans, two stories兩個想法、兩個計畫、兩個故事 sit at opposite extremes處在兩個極端 and cannot both be right in the same way不可能用同樣的方式都是對的.
It is a formal, slightly word; in ordinary talk people just say completely opposite or the total opposite.
It is a formal, slightly bookish word這是個正式、有點書面的詞; in ordinary talk平常說話時 people人 just say completely opposite就只會說completely opposite（完全相反） or the total opposite或the total opposite（徹底相反）.
Though actually, the picture underneath is a circle: the diameter joins two points on opposite sides, so this adverb came to mean “at the opposite extreme,” not “very” and not “exactly.” If two friends only disagree a little, the word is too strong.
Though actually不過事實上, the picture underneath這個詞底下的畫面 is a circle是一個圓: the diameter直徑 joins two points on opposite sides連接圓上相對兩側的兩個點, so this adverb所以這個副詞 came to mean "at the opposite extreme,"後來就有了「處在相反極端」的意思, not "very"不是「很」 and not "exactly."也不是「正好」. If two friends如果兩個朋友 only disagree a little只是有一點點意見不合, the word is too strong這個詞就太重了.
組成From diametrical + -ly. Diametrical comes from diameter: Greek diá “across” + métron “measure.”
同家族的字
- diameterthe line across a circle that this picture is taken from
- diametricthe shorter adjective twin
- diametricalthe adjective this adverb is built from
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
diametricallyadv/ˌdaɪ.əˈmɛt.ɹɪk.li/
- 1
Separated by a diameter, on exactly the opposite side.
- 2
Absolutely (in opposition).
- "I do not see that we are at all called upon to pay so costly a compliment to society, as to assume a character diametrically opposed to our real one,—to utter sentiments we secretly disbelieve,—and to be as angry with our better nature for bursting from restraint, as at other times with our own inferior nature for refusing to submit to it.
- The distinctness of London has led many to clamor for the capital to pursue its own policies, especially on immigration. The British prime minister, David Cameron, is a Conservative. So is the mayor of London, Boris Johnson. But they have diametrically opposed views on immigration.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。