difficult to ...; hard to ...
sometimes; occasionally; at times; seasonal; of the season; appropriate (for the season or occasion)
year; age; years; past one's prime; old age
particularly; especially; in particular; expressly
practice; training; drill; (an) exercise; workout
why?; what for?; how?; by what means?
to rise to the surface; to surface; to stand out (e.g. against a background)
suffix for room numbers; suffix for apartment numbers
number (in a series); (one's) turn; watch; guard; rank; standing; bout
purification; cleaning up; purging
to start; to begin; to start up (a business, society, etc.); to open (e.g. a store); to start ...; to begin to ...
lightning; flash of lightning; lightning bolt
operating field; operative field; surgical field
securing; obtaining; ensuring; belay; belaying
to glide; to slide (e.g. on skis); to fail (an examination); to bomb (when telling a joke); to drop; to go down
diligently; seriously; perfectly; properly; sufficiently; satisfactorily
(what) the heck; (why) in the world; one object; one body; one form; one style
that sort of; that kind of; like that; such; so
arm; skill; efforts; ability
things like; something like; someone like; such a thing as; (the fact) that; to think that
fame; reputation; popularity; rumour (rumor); talk
to decrease (in size or number); to diminish; to abate
everyone; everybody; all; everything; all
rest; recess; vacation; holiday; dormancy (of a silkworm prior to moulting)
to have (e.g. lunch); to take (e.g. vitamins)
taking a breather; relaxation; vent hole
something like ...; things like ...; someone like ...; the likes of ...
please; kindly; by all means; certainly; here you are; to give
such; that sort of; that kind of; no way!; never!
story; tale; talk; discussion
to omit; to leave out; to exclude; to curtail; to save; to cut down
to decide; to choose; to clinch (a victory); to decide (the outcome of a match); to persist in doing; to go through with; to always do
to ask; to inquire; to implore (a god for an oracle); to seek direction (from your superior); to visit; to speak to (a large crowd at a theatre, etc.)
I wonder about that; don't bet on it; famous last words
to study (in depth); to learn; to take lessons in
lots of; a ton of; a mountain of; piles of; heaps of; so many
guidance; leadership; instruction; shido (disciplinary action for a minor infringement of the rules of judo)
to receive; to get; to catch (e.g. a ball); to be struck by (wind, waves, sunlight, etc.); to sustain (damage); to incur (a loss); to undergo (e.g. surgery)
(one's) superior; (one's) boss; the higher-ups