show (they are showing me they don’t care about me at all Pickman); give to understand; let somebody see; indicate (q3mi4); get at; let someone know (bookworm); signal (V.O.K.); make it clear (Notburga); get through to; make out; make it plain (Alexander Demidov); hint; serve notice (The surging Pittsburgh Penguins, however, did more than delay the inevitable on Sunday night. They served notice Washington's path through the Eastern Conference might not be as easy as it might have looked a month ago. VLZ_58); understand; send out message (suburbian); make clear (techcrunch.com Alex_Odeychuk)

send a message (They sent us a clear message they don’t want this contract to go to a Russian lab. – ясно дали нам понять ART Vancouver)

give an indication (that ... – ..., что ...