to suck/absorb a liquid / to take in/gobble/consume food or drink / (business) to take over/absorb a company

a surprise attack

make a surprise attack

weekly pay

weekly day off

ancient customs or practices

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret