deepen
['dipən]
vi. 深

vt. 使深, 使烈

1. The night deepened.
   夜深。
2. His smile deepened, but he made no attempt to answer.
   微笑深，但算回。
3. The feeling deepened with the passing of the years.
   种感觉深。

deepen
[ verb ]

1. make more intense, stronger, or more marked

<verb.change> compound heighten intensify
The efforts were intensified
Her rudeness intensified his dislike for her
Pot smokers claim it heightens their awareness
This event only deepened my convictions

2. become more intense

<verb.change> intensify
The debate intensified
His dislike for raw fish only deepened in Japan

3. make deeper

<verb.change>
They deepened the lake so that bigger pleasure boats could use it

4. become deeper in tone

<verb.change> change
His voice began to change when he was 12 years old
Her voice deepened when she whispered the password

Deepen \Deep"en\, v. t. [imp. & p. p. {Deepened}; p. pr. & vb.
n. {Deepening}.]
1. To make deep or deeper; to increase the depth of; to sink
lower; as, to deepen a well or a channel.

It would . . . deepen the bed of the Tiber.
--Addison.

2. To make darker or more intense; to darken; as, the event
deepened the prevailing gloom.

You must deepen your colors. --Peacham.

3. To make more poignant or affecting; to increase in degree;
as, to deepen grief or sorrow.

4. To make more grave or low in tone; as, to deepen the tones
of an organ.

Deepens the murmur of the falling floods. --Pope.


Deepen \Deep"en\, v. i.
To become deeper; as, the water deepens at every cast of the
lead; the plot deepens.

His blood-red tresses deepening in the sun. --Byron.