pull one's coat

admonish alert exhort forewarn urge

flag tip

give the high sign give the lowdown on put one wise tip off wave a red flag wise one up

teach train tutor

cram drill educate hone prepare ready school

break in lay it out for lick into shape put through the grind put through the mill

learn

accept listen

admonish apprise dissuade tip off

advise alarm alert flag portend telegraph tip

forbode give fair warning give the high sign premonish put a bug in one's ear put on guard put one wise wave a red flag