toe the line
• accept the authority, policies, or principles of a particular group, especially unwillingly.
• "he knew that he had to toe the official line because he couldn't afford to be put on the dole"
Similar:
conform,
obey the rules,
comply with the rules,
observe the rules,
abide by the rules,
adhere to the rules,
follow the rules,
keep to the rules,
stick to the rules,
submit,
yield,
play it by the book,
play by the rules,
keep in step,
