敲 Stroke Order

to sound a bell / to raise the alarm

extortion and blackmail (idiom)

to knock on a door

to pound / to rap

to beat sb / to beat (a drum)

to think over

to come to a decision / to fix on (a date etc) / to determine / to finalize / to nail down (a deal etc)

to rip off / to extort (money) / extortion / blackmail

a knock on the door / a knock at the door

to the accompaniment of gongs and drums / with eagerness and zest

knock

to make insinuations / to take an indirect approach (in making inquiries) (idiom)

rat-tat / knock / beat

extortion by taking advantage of sb's weakness

hash / repeated deliberation

a deliberate show of strength as a warning

to do things in bits and pieces (idiom); piecemeal work

to make a continual banging sound / (fig.) to provoke with words

to back sb up / to support sb in an argument / (lit. to beat nearby drum)

suck the lifeblood of / break the bones and suck the marrow