英和和英

undo a package

claw a parcel open

to conceal and hoard

visible files

a secret despatch

a confidential despatch

seal an envelope

screw down the cover of coffin

open a package

superscribe an envelope

a hidden weak point

break the code

to decipher a code

a veil of secrecy

a curtain of secrecy

to do mischief in secret―by stealth―on the sly

secret papers―secret documents

a private code

overt intelligence gathering

a brief, written correspondence that is confidential

having had security classification removed

Opened bag

Open a box

unpack a suitcase

to conceal one's poverty

to dispose of a package

pocket the wallet

unstrap one's briefcase

to open a package

an empty pocket