1. Toe the line: This means to conform to rules or expectations.
* Example: "The new employees were expected to toe the line and arrive on time every day."
2. Step on someone's toes: This means to offend someone, often unintentionally, by interfering with their affairs or encroaching on their territory.
* Example: "I didn't mean to step on your toes by offering my opinion, but I felt it was important to share."
3. Toe the mark: This means to meet a standard or achieve a goal.
* Example: "The team worked hard to toe the mark and complete the project on time."
4. On the tip of your toes: This means to be very alert or attentive.
* Example: "I was on the tip of my toes, waiting for the news of the election results."
5. Toe the water: This means to test the waters or cautiously approach a situation.
* Example: "Before investing in the stock market, she decided to toe the water by investing a small amount first."
6. A toe in the water: This means a small initial involvement in something.
* Example: "This volunteer project is just a toe in the water for me; I hope to get more involved in the future."
The specific usage of "toe" in an idiomatic expression will depend on the context and the intended meaning.