to mind one's Ps and Qs	to make an effort to be polite
elders and betters	people older than you
courtesy	politeness (adj courteous)
prim or starchy/ strait-laced and prissy	very formal and correct, without humour
etiquette	formal rules of behaviour
gentlemanly/ ladylike	polite in a rather formal way
social graces	polite behaviour
the done thing	informal phrase for socially acceptable behaviour
oiling the wheels of	making easier
offhand	casual, slightly rude (obcesowy,nieuprzejmy)
stand on ceremony	insist on formal behabiour
flutter your eyelashes	flirting- female behaviour towards men (trzepotać rzęsami)
raise your or other's eyebrows	indicates surprise or shock
twitch	indicates nervousness (drgać)
flinch	indicates pain or fear (wzdrygać się)
squirm	indicates embarassment or nervousness (wiercić się)
smirk	indicates self-satisfaction 9uśmiechać się pogardliwie)
beam	indicates happiness (uśmiechać się promiennie)
sniff at sth	indicates disapproval (pociągać nosem)
snort	indicates disgust or great amusement (prychać)
titter	indicates nervousness (chichotać)
snigger/ chortle/ guffaw/ giggle	chichotać
glower/ scowl/ frown/ glare	patrzeć wilkiem
gawp/ ogle/ scan/ leer	spoglądać pożądliwie
whimper/ sniffle/ sob your heart out/ grizzle	kwilić, szlochać