time after time; countless times; many a time; dozens of times
coworker; co-worker; colleague; associate
dying at one's post; being killed in the line of duty
to feel chilly; to be afraid; to be frightened; to be nervous
period of time; time slot; time zone
sleepiness; drowsiness; the sandman; Morpheus
poor; pitiful; piteous; pitiable
without sparing time for sleep
exhausting work; hard work; severe duty
well aware of; know thoroughly; being familiar with (and thus feeling no need for restraint)
to be thirsty; to feel thirsty; to thirst for; to crave
patrolling; one's rounds; inspection tour; watchman; patrolman
appearance; air; condition; state; form
both people; two people; two directions; both directions
vacant room; vacancy; unoccupied room; empty room
hand luggage; hand baggage
inspection (e.g. customs, factory); examination; test; check; scan (e.g. MRI, PET); audit
hazardous materials; dangerous goods; explosives; combustibles
somewhat large; of a larger size; on the large side; large swing (bat, racquet, etc.); long sweeping stroke
good-quality; superior in quality
fine article; masterpiece
judgement; judgment; connoisseur
adventure; venture; venture which is unlikely to succeed; risky attempt; danger
to rub; to chafe; to wear out; to become worn; to lose one's innocence; to become sly
to have a (rough) idea (of what the situation is)
to be suitable; to be appropriate; to match
patient; unhurried; leisurely
to enter; to go in; to set (of the sun or moon); to sink; to attain (nirvana, enlightenment, etc.); to achieve
human kindness; human weakness
terrible; dreadful; terrifying; frightening
opposite effect; adverse effect; backfiring
forward; officious; impertinent; intrusive
to know; to be aware (of); to be acquainted (with); to think; to consider; to believe
lack of sleep; sleep deprivation
to keep watch; to stand guard
to hang down (from); to dangle; to be within one's reach; to dangle (before one's eyes); to be completely reliant on; to be entirely dependent on
emptiness; hollowness; vacancy; inanity; pointlessness; meaninglessness
one revolution; one rotation
to make sure of; to ascertain; to see with one's own eyes; to watch to the end; to watch to make sure (that)