re+frain

• re-再次，重复
• frain来自古法语 'frein'，意思是'缰绳'，引申为'控制，约束'

再次控制，约束

restrain

抑制，阻止

constrain

限制，约束

refuge

避难所，庇护

refund

退款，偿还

1. 释义 1克制，避免

   He was able to refrain from smoking for a whole month.

2. 释义 1克制，避免

   Please refrain from using your phone during the meeting.

3. 释义 1克制，避免

   She could not refrain from laughing at his joke.