cosy up (to sb)
phrasal verbwithcosyverbUK(UScozy)uk/ˈkəʊ.zi/us/ˈkoʊ.zi/
to be veryfriendlyto someone with thehopeof getting anadvantage:
（处于谋私的目的）与…交好Opponents say he has arecordof cosying up topollutersandacceptingtheircampaigndonations.他的对手说他一贯与造成污染的企业关系密切并且收受他们的竞选献金。
Being friends & getting to know them
- be on speaking termsidiom
- be/get in withsomeoneidiom
- be/live in each other's pocketsidiom
- befriend
- bonding
- build
- go back a long wayidiom
- hang
- hang around withsomeone
- hang out
- hang round withsomeone
- mix
- move
- present
- pull
- pullsomethingon
- rub
- rub along
- score
- strike