The standard phrase is toe the line. It started with toes placed on a line, and now it means following rules or meeting a standard.

Groak names the act of staring at someone while they eat, hoping for food. It is an informal, playful word with a very clear image.

“Nerve racking” is more common, but “nerve wracking” is also a recognized variant in many dictionaries. Here is how to use both.

“Husband” began as a word for a householder, from Old Norse roots linked to house and dwelling, before narrowing to a married man.