negligent; neglectful; careless; remiss
to pay attention to another's needs; to attend to; to fuss about; to take into consideration
one thin flat object; one sheet
to be delighted; to be glad; to congratulate; to gratefully accept
trouble; bother; annoyance; to be troubled (by); to be bothered (by); to be inconvenienced (by)
feeling obliged; being grateful; being thankful; (arch.) shrinking back in fear
to connect; to tie; to fasten; to transfer (phone call)
to stay long; to hang around; to hang out; to be immersed (in water) for a long time; to soak
stern expression; severe expression; grim expression
important point; point to make note of
opponent; rival; adversary; menace; danger; threat
to fall down; to drop; to be omitted; to be missing; to decrease; to sink; to fail (e.g. exam or class)
to advance on; to close in; to march on; to descend on (the enemy); to move towards; to surge forward (crowd, wave of nostalgia, wave, etc.)
opposite side; other side; over there; that way; the other party; the other person
room; chamber; apartment; flat; stable
invasion; incursion; raid; aggression; intrusion; trespass
to permit; to allow; to forgive; to pardon; to exempt (someone) from; to remit; to acknowledge
side (of something, or taking someone's side); part; (watch) case
to become possible; to become able to (do)
stealthily; secretly; in secret
to creep in; to steal in; to sneak in
course; route; path; process; means
had better ...; had better not ...
establishment; institution; installation (of a machine or equipment)
careful; cautious; prudent; discreet; deliberate
sincerely; earnestly; repeatedly; over and over; again and again
please be careful; please take care
secrecy; highly classified information
underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
to harden; to freeze; to put together; to collect; to make secure; to stabilize; to fortify
passage; pathway; roadway; avenue; aisle
entrance; entry; gate; approach; mouth
(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
first floor; ground floor; one floor; one storey; one rank
available room (hotel); vacancy; room to let
wall; partition; barrier; obstacle; Chinese "Wall" constellation (one of the 28 mansions)
to punch; to hit and hit; to stamp out; to pierce; to bore into; to knock down walls
defense; defence; safeguard; protection
chattering (teeth); (frozen, worried) stiff; rigid (personality, thinking, etc.); inflexible; voracious (e.g. work, study); without slack or pause
to put in order; to arrange; to get ready; to prepare; to work out (e.g. business deal); to arrange (e.g. marriage)
place; situation; position; location
to cut off; to excise; to tear off; to cut out; to whittle down; to tear out