Words & Expressions:
1. abstruse[əbˈstruːs; æb-], unnecessarily complicated and difficult to understand.
--Maths is a mix of abstruse theory and detailed calculations
--But if you're new to the scene, you needn't start with something so abstruse.
2. reproach/rɪˈprəʊtʃ$-ˈproʊtʃ/, verb, to blame or criticize someone in a way that shows you are disappointed at what they have done.
reproach somebody for/with something
He publicly reproached his son for his behavior.
reproach yourself for/with: to feel guilty about something that you think you are responsible for
--You’ve got nothing to reproach yourself for – it was his own decision.
3. be a trial (to/for somebody), [countable usually plural], something that is difficult to deal with, and that is worrying or annoying
--the daily trials of living in a poor country
--the trials and tribulations of running a business
--My brothers and I were always a real trial to my parents.
4. fraction of, a very small amount of something
--I got these shoes at a fraction of the original price.
--She paused for a fraction of a second.
5. with a flourish, with a large confident movement that makes people notice you.
--He opened his wallet with a flourish and took out a handful of notes.
--They finished the season with a flourish, winning their last three matches.
6. adamant /ˈædəmənt/, determined not to change your opinion or decision that you have made.
--She begged me to change my mind, but I remained adamant.
--Madonna is adamant that she will not tour this year.
7. half an hour too soon = half an hour earlier
Pronunciations：
like:口语中的弱读
punctual /ˈpʌŋktʃuəl/
punctuality /ˌpʌŋktʃuˈæləti/
unpunctuality[ʌn'pʌŋ(k)tʃʊəl; -tjʊəlæləti]
unpunctual [ʌn'pʌŋ(k)tʃʊəl; -tjʊəl]
Daily practice:
It is hard for energetic, quick-minded people to waste time, so they are often tempted to finish a job before setting out to keep an appointment.
If no accidents occur on the way, like punctured tyres, diversions of traffic, sudden descent of fog, they will be on time. They are often more industrious, useful citizens than those who are never late. The over-punctual can be as much a trial to others