HSK 4 HSK V3
Correct

到底

/ dàodǐ / 
Strokes

Definition

finally/in the end/when all is said and done/after all/to the end/to the last

Example

As a Verb

do sth to the end/finish

1
Jiāng
将
gǎigé
改革
jìnxíng
进行
dàodǐ
到底

carry the reform through to the end

2
Dá
打
dàodǐ
到底

fight to the finish/the last man

As an Adverb

at last; in the end; finally

3
Shíyàn
实验
dàodǐ
到底
chénggōng
成功
le
了
  
。

At long last, the experiment succeeded.

4
Wǒ
我
xiǎng
想
le
了
hěn
很
jiǔ
久
  
,
dàodǐ
到底
míngbai
明白
le
了
  
。

I thought it over for a long time and finally came to understand.

As an Adverb

[used in questions for emphasis]

5
Huǒxīng
火星
shàng
上
dàodǐ
到底
yǒu
有
méiyǒu
没有
shēngmìng
生命
  
?

Is there any form of life on Mars?

6
Nǐ
你
dàodǐ
到底
xiǎng
想
gàn
干
shénme
什么
  
?

What on earth are you up to?

As an Adverb

after all; in the final analysis

7
Dàodǐ
到底
shì
是
niánqīngrén
年轻人
gànjìn
干劲
dà
大
  
。

After all, young people are more energetic.