三天两头

sān tiān liǎng tóu

释义

1. lit. twice every three days (idiom); practically every day
2. frequently

三天两头 的构成词

• 三 sān: three
• 两 liǎng: two
• 天 tiān: day
• 头 tóu: head
• 两头 liǎng tóu: both ends