Correct

刀儿

/ dāor /
Strokes

Example

As a Noun

small knife

1
Xiūjiǎo
修脚
dāor  
刀儿

knife used by a pedicurist

2
dāor  
剃刀儿

razor

3
Qiān
铅笔
dāor  
刀儿

pencil sharpener