hard-to-do; difficult; tough; awkward; tricky
no; you're welcome; not at all; don't mention it
disadvantage; drawback; demerit; bad point; minus
occurrence; incidence; generation (of power, heat, etc.); production; ontogeny; development
to see; to witness; to observe; to catch sight of; to get a glimpse of; to encounter
such; like that; that sort of
stimulus; stimulation; impetus; impulse; excitement; thrill
a little; some; somewhat; amount; quantity; number
to be thrilled; to be excited
welcome; (warm) reception
value in doing something; feeling that something is worth doing; rewarding feeling; sense of satisfaction
key; lock; key (to a problem, success, etc.); clue
to step on; to tread on; to set foot on (e.g. foreign soil); to stand on; to experience; to undergo; to follow (rules, principles, etc.)
hypothesis; supposition; assumption; tentative theory
neck; bottleneck; obstruction; neckline
redoing; doing over again
to understand; to be convinced; to be satisfied
to push away; to thrust aside; to detach oneself from; to keep away from; to act coldly; to do without emotion
to push; to propel; to shove; to spur (someone); to stimulate; to impel
amorous feelings; feeling of being in love
deep-rooted delusion; firm conviction (based on incorrect beliefs)
et cetera; etc.; and the like; and so forth
the person in question; the person themselves; said person
dirty; filthy; disordered; messy; indecent (language, etc.); dirty
of bad character; ill-natured; nasty; vicious; wicked; malignant
argument; discussion; dispute; controversy
joint; knuckle; tune; melody; node (of a plant stem); joint
to start to say; to attempt to say; to be about to say; to speak to; to address
to have an idea; to have a clue
very much; exceedingly; extremely
conclusion; decision; judgement; affirmative
to examine; to look up; to investigate; to check up; to sense; to study
without; but if; otherwise; or else
to firmly tighten (e.g. around neck, throat); to constrict; to strongly press (someone); to crack down on; to settle accounts
awfully; frightfully; desperately; violently; unduly; extremely
to charge; to lunge; to flare up (at someone); to turn on (someone); to collide with; to bump into
unprecedented; never happened before; first time in history
point of view; viewpoint; angle; visual point (position of the eye in calculations of optical instruments)
deep down; special place in one's heart; in the back of one's mind
he; she; that person; (arch.) you
hesitation; indecision; vacillation