HSK 5 HSK V4
Correct

再三

/ zài sān /
Strokes

Collocation

1
[Adverb + Verb]
再三考虑
再三解释
再三感谢
再三叮嘱
2
[Verb + 再三], as complement
考虑再三

Definition

再三 as Adverb, means [over and over again; time and again; again and again; repeatedly]; 

再三 + Verb, these modified verbs usually means to say or think, eg

再三考虑

再三嘱咐

Example

再三 as Adverb
1
zàisān
再三
qǐngqiú
请求
  
,
cái
ying
答应
bāngmáng
帮忙
  

I asked again and again before he agreed to help.

2
Duì
de
bāngzhù
帮助
  
,
zàisān
再三
biǎoshì
表示
gǎnxiè
感谢
  

He thanked you again and again for your help.

3
父母
zàisān
再三
dīngzhǔ
叮嘱
  
,
dìng
一定
yào
zhù
注意
ānquán
安全
  

His parents repeatedly told him to take care of his safety.

4
kǎo
考虑
zàisān
再三
  
,
juédìng
决定
chūguó
出国
liúxué
留学
  

He thought again and again and decided to study abroad.