1、crank up, increase the intensity of something, to move by using a crank
2、clean up one's act, behave in a more acceptable ways
3、intrepid, fearless, not afraid of difficulties
4、centripetal force, a force which makes things move towards the center of something
5、unshackle, release from chain or other physical restraints, liberate, set free
6、accession, the action of process of formally joining or being accepted by an institution or group
7、gamut, the complete range of possibilities
8、forestall, act in advance of .. in order to prevent them from doing
9、avow, to make a public statement about something you believe in, swear
１０、afoot, in preparation or progress, 進行中で
１１、teeming, full of people moving around
１２、on the up, be improving or increasing
１３、kudos, praise and honor received for an achievement
１４、risk-averse, not willing to take risks
１５、cue, a word, phrase, or action in a play that is a signal for the next person to speak or act
１６、the "new" normal, the situation of current news
１７(A)、calibration, the process of checking or slightly changing an instrument or tool so that it does something correctly
１８(B)、sealed off, if the police, the army, etc. seal a place or an area off, they put barriers there to prevent anyone from entering it
１９(C)、ensnare, to trap someone in unpleasant or illegal situation, from which they cannot escape
２０(D)、holdout, a person who resists or delays accepting something.
２１(E)、perseverance, determination to keep trying to achieve something in spite of difficulties.
２２、underworld, (many types of meanings)
２３、rectify(A), to correct
２４、tip-off, a secret warning of pieces of information, especially one given to the police about illegal activities
２５、stage, to organize a public event
２６、mainstay, an important part (role)
２７、gripping, very interesting
２８、sarcasm, (irony)
２９、oath, a formal and very serious promise / an offensive word or phrase that express anger, surprise, shock etc.
３０、typology, a system or the study of dividing a group of things into smaller groups according to the similar qualities they have
up to 30 as to today.