sit up and take notice

[give notice] {v. phr.} To inform an employer, an employee, a landlord, or a tenant of the termination of a contractual agreement of service or tenancy. * /Max gave notice […] A Dictionary of American Idioms

take note of

[take note of] or [take notice of] {v. phr.} 1. To look carefully at; pay close attention to; observe well. * /A detective is trained to take note of people […] A Dictionary of American Idioms

serve notice

[serve notice] {v. phr.} 1. To notify one's employer in a formal or legal manner that one is quitting the former's employment. * /She gave notice to her boss that […] A Dictionary of American Idioms

notice

[notice] See: [SIT UP AND TAKE NOTICE], [TAKE NOTE OF] or [TAKE NOTICE OF]. A Dictionary of American Idioms

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смотреть как баран на новые ворота

[смотреть (уставиться) как баран на новые ворота] {v. phr.} {informal} [smot`ret' […]

pour oil on troubled waters

[pour oil on troubled waters] {v. phr.} To quiet a quarrel; say something to lessen anger and bring peace. * /The troops […]

William Shakespeare

King Henry VI, pt. 2, act 4, sc. 7 Thou hast most traitorously corrupted the youth of the realm in erecting a grammar school.

have it made

[have it made] {v. phr.}, {slang} To be sure of success; have everything you need. * /With her fine grades Alice has it made […]