deep, profound

形容詞 profound:

1. showing intellectual penetration or emotional depths; from the depths of your being
2. of the greatest intensity; complete
3. far-reaching and thoroughgoing in effect especially on the nature of something
   同義詞：fundamental
4. coming from deep within one
5. (of sleep) deep and complete
   同義詞：heavy, sound, wakeless
6. situated at or extending to great depth; too deep to have been sounded or plumbed
   同義詞：unfathomed, unplumbed, unsounded

1. Her simple style is deceptive: what she has to say is very profound.
   別以為她的工作方法簡單，她說出話來是很有分量的。
2. Since losing his job, he has often experienced a profound sense of ennui.
   他自從失業(yè)以來，常覺百無聊賴。
3. The teacher had both extensive knowledge and profound scholarship.
   先生的學問博大精深。
4. The rape of the countryside had a profound ravage on them.
   對鄉(xiāng)村的掠奪給他們造成嚴重創(chuàng)傷。
5. Finally, we want to take this opportunity to beg him to convey our profound friendship and best regards to his people.
   最后，我想借此機會請湯姆遜教授轉達我們深厚的友誼，并表示對他的同胞良好的祝愿。
6. Our professor is a man of profound learning.
   我們的教授是一個學識淵博的人。
7. Strange creatures live in the profound depths of the ocean.
   大洋深處生活著奇異的生物。
8. They listened to the speaker with profound interest.
   他們懷著濃厚的興趣聆聽著演講者。

pro.found

adj.（形容詞）
pro.found.er,pro.found.est
Situated at, extending to, or coming from a great depth; deep.See Synonyms at deep
深的：位于、延伸到或從很深的地方來的；深的參見 deep
Coming as if from the depths of one`s being:
深奧的：好象來自某人本質的深處的：
例句：
profound contempt.
深奧的概念

Thoroughgoing; far-reaching:
深遠的：貫穿整個的；意義深遠的：
例句：
profound social changes.
意義深遠的社會變革

Penetrating beyond what is superficial or obvious:
深邃的：超出膚淺的或明顯的事物的：
例句：
a profound insight.
深邃的洞察力

Unqualified; absolute:
完全的：無條件的；完全的：
例句：
a profound silence.
一片肅靜

來源：
Middle English profounde
中古英語 profounde
from Old French profond
源自 古法語 profond
from Latin profundus
源自 拉丁語 profundus
prô- [before] * see pro-
prô- [在…之前] *參見 pro-
fundus [bottom]
fundus [底部]

【引伸】
profound.ly
adv.（副詞）
profound.ness
n.（名詞）