I'm sorry; (it's) inexcusable; I feel regretful; thank you very much (for help, etc.)
sensible; sensuous; intuitive
(random) guess; guesswork; shot in the dark; conjecture
not necessarily; not entirely; not altogether
mistake; error; accident; mishap; improper conduct (e.g. between man and woman); indiscretion
to be mixed; to be blended with; to be combined; to associate with; to mingle with; to interest
messy; confused; chaotic; complaining about various things
footprints; record of page visitors (e.g. in social networking sites)
mechanism; machinery; trick; dodge; mechanical doll; string puppet
on the occasion of; at the time of
advantageous; favourable; better; profitable; lucrative; gainful
quantity or volume of water
to lessen; to decrease; to diminish
drought; long spell (period) of dry weather
(suffering) damage; injury; harm
serious; severe; grave; acute
life and death; life or death
to be blessed with; to be rich in; to abound in
sympathy; compassion; pity
armchair theory; impracticable theory
grateful; thankful; welcome; appreciated; evoking gratitude
to weaken; to grow weak; to be downcast; to be dejected; to be troubled; to be at a loss
to guffaw; to roar with laughter; to laugh heartily
thrust; charge; digging into (a matter); depth; straight man (of a comedy duo); quip; jab
black joke; black comedy; morbid humor
unexpectedly; accidentally; by chance
weak; feeble; delicate; frail; helpless
to have been decided (so) that; to have been arranged (so) that
bomb; alcohol with liquor added (esp. wine-based shōchū highball, also beer with whiskey)
striking; remarkable; considerable
apart from that; to return to the topic; enough of that
Mach (number); (at a) fast speed
to dry up; to parch; to ebb away
disappearance; vanishing; loss; dying away; wearing off
evaporation; disappearance (of people intentionally concealing their whereabouts); unexplained disappearance
to wear (sword, decoration, etc.); to carry; to be entrusted (e.g. with a mission); to take on; to have a trace of; to be tinged with
normal temperature; room temperature; constant temperature; fixed temperature
quite; very; 10^48; quindecillion
lack of common sense; thoughtlessness; senselessness; irrationality; absurdity
having done that; if that is done; if it is done in that way