difficult to ...; hard to ...
to think (something) is improper; to question; to have a problem with
to entrance; to possess; to enthrall
good at playing along; up for anything; carefree; uplifting; upbeat
secret (recipe, medicine, etc.); mysteries (e.g. of an art)
opening to the public; making available to the public; putting on display; exhibiting; showing (play, movie, etc.); holding (interview, etc.)
half in doubt; half-convinced; dubious; incredulous
to be added to; to be appended; to join in (e.g. a group of friends); to participate; to increase (e.g. heat); to gain in (e.g. influence)
ground-breaking; revolutionary; unprecedented; epoch-making
straight to the point; point-blank; frank; direct
to raise one's hand; to surrender; to raise one's hand to someone (as a threat to strike); to become better (at something); to improve; to throw one's hat in the ring
interest; eagerness; enthusiasm
ambition; aspiration; desire to improve oneself
harmless to humans and animals; having no influence; unimportant; insignificant
to take precautions; to set a guard against attack
roundabout; indirect; circuitous; ignorant (of the world)
passing each other; missing (meeting) each other; failing to meet; (being at) cross purposes; discrepancy
in bad shape; not doing well; not going well; out of condition; in poor form
evaluation; criticism; commenting on; assessment; estimation
to be seized with fear; to be intimidated; to lose one's nerve; to be frightened; to get cold feet; to chicken out
sales message; sales copy
going down; fall; knocking down (in boxing); flooring; being out of action (due to illness, exhaustion, etc.); being down (e.g. with a cold); going down (of a computer system, server, etc.)
you're lying; yeah, right; liar; fibber
standard; set; routine; decided
nothing special; no big deal; doesn't matter
symptoms; condition (of a patient)
to continue to do; to persist in doing
to feel anxious; to feel nervous; fluttering down; trickling down (e.g. tears); hanging untidily (of hair); straggling
ageing; aging; senile deterioration
(with a) whizzing sound; sound of something whizzing by
explanation (of a text, phrase, etc.); lecture; explanation (in a pompous fashion); (long-winded) lecture; (arch.) storytelling
supercompensation; overcompensation