intense

形容词 intense:

1. in an extreme degree
2. extremely sharp or intense
   同义词：acute
3. (of color) having the highest saturation
   同义词：vivid

1. As the election approaches the war of words between the main political parties becomes increasingly intense.
   大选在即，主要政党间的论战愈演愈烈。
2. Under his intense gaze she felt uncomfortable.
   他目不转睛地看著她，使她觉得很不自在。
3. The intense heat has dried up the pond.
   酷热使池水干枯。
4. His leg was numbed by the intense pain.
   他的腿因剧痛而麻木。
5. Intense heat or glow, as of fire.
   灼光强烈的热度或光芒，如火(一般)
6. After intense work in the summer, we are slacking off now.
   夏季紧张的工作过後，我们现在放松了。
7. My work is so intense that I even have no time to take a rest.
   我的工作非常紧张，以致于我没有时间休息。
8. I did not go to the cinema because of the intense cold.
   我因为严寒没出去看电影。

in.tense

adj.（形容词）
in.tens.er,in.tens.est
Possessing or displaying a distinctive feature to an extreme degree:
强烈的：具有或表现某种与种不同的特征到了特别强烈的程度的：
例句：
the intense sun of the tropics.
赤道上的烈日

Extreme in degree, strength, or size:
极端的，强烈的：在程度、力量或体积是特别的：
例句：
intense heat.
酷暑

Involving or showing strain or extreme effort:
紧张的：包含或显出压力或特别的努力的：
例句：
intense concentration.
紧张的投入

Deeply felt; profound:
深切地感受到的；深刻的：
例句：
intense emotion.
深情

Tending to feel deeply:
意欲感受深刻的：
例句：
an intense writer.
感受深刻的作者

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin intônsus [stretched, intent] [from past participle of] intendere [to stretch, intend] * see intend
源自 拉丁语 intônsus [拓展的；意图] [] 源自intendere的过去分词 [伸展，打算] *参见 intend

【引伸】
intense.ly
adv.（副词）
intense.ness
n.（名词）
<参考词汇><同义词>intense,fierce,vehement,violentThe central meaning shared by these adjectives is .of an extreme kind.:
这些形容的中心意思都是.特别的.：
例句：
intense emotions;
深情；

例句：
fierce loyalty;
耿耿忠心；

例句：
vehement dislike;
极其厌恶；

例句：
violent rage.
强烈的愤怒

The meanings ofintense and intensive overlap considerably, but the two are often subtly distinct.When used to describe human feeling or activity,intense often suggests a strength or concentration that arises from inner dispositions and is particularly appropriate when used to describe emotional states:
intense 和 intensive 的意思在相当程度上是交叉的， 但是它们经常有细微的差别。当用来描述人的感情或活动时，intense 通常指由内在倾向而来的力量或专心， 它特别适于用来描写感情状态：
例句：
intense pleasure, dislike, loyalty, and so forth. Intensive
极度的快乐，极为厌恶，非常忠诚等等。 Intensive

is more frequently applied when the strength or concentration of an activity is imposed from without:
更常用于指行为的强度和程度是由外部强加的：
例句：
intensive bombing, training, marketing.
强烈的爆炸，强烈的训练，紧张的营销。

Thus a reference toMark`s intense study of German suggests that Mark himself was responsible for the concentrated activity, whereasMark`s intensive study of German suggests that the program in which Mark was studying was designed to cover a great deal of material in a brief period.
因此Mark`s intense study of German 指马克自己对集中的行为负责， 而Mark`s intensive study of German 意味着马克的学习计划是打算在短时间内涉猎大量内容