Correct
书信
/ shūxìn /
Strokes
Definition
letter/epistle
Example
As a Noun
letter; written message; correspondence
1
Sīrén
私人
shūxìn
书信
personal letter
2
Shūxìn
书信
bùduàn
不断
be in constant correspondence (with)
3
Huīfù
恢复
/
zhōngzhǐ
终止
shūxìn
书信
wǎnglái
往来
renew/drop correspondence (with)
4
Duànjué
断绝
shūxìn
书信
wǎnglái
往来
break off correspondence (with)
5
Bǎochí
保持
shūxìn
书信
wǎnglái
往来
keep up correspondence (with)
6
Yī
一
fēng
封
shūxìn
书信
a letter