Concerned with Concerned with (adj) /kənˈsɜːnd/ US /-ˈsɝːnd/ involved in something and deeply influenced by that – preoccupied with – focused on: Professional blogging is something I’d like to be concerned with as my future career.
Undermine Undermine (verb) /ˌʌn.dəˈmaɪn/ US /-dɚ-/ to gradually make somebody or something less powerful, competent and effective – weaken: The point that he was interrupting me again and again was undermining my confidence.
World-famous World-famous (adj) /ˌwɜːldˈfeɪ.məs/ US /ˌwɝːld-/ known about by most people all over the world – renowned – popular – celebrated: Why didn’t you recognize such a world-famous musician?
Anxious Anxious (adj) /ˈæŋk.ʃəs/ 1. feeling worried and apprehensive – nervous – concerned: He was anxious that he might have failed the exam. 2: being keen and eager to do something – enthusiastic – impatient: Being a new mother, she was most anxious to know the gender of her child.
Accustomed Accustomed (adj) /əˈkʌs.təmd/ 1. being familiarized with or habituated to something – familiar: As a miner, he was accustomed to hard labor. 2. ordinary and usual: She’s a writer with her own accustomed writing style.
Mechanics Mechanics (noun) /məˈkæn.ɪks/ the detailed procedure and mechanism of something that works or functions – mechanism – procedure – workings: The mechanics of assembling the components of this machine is far more complex than I expected.
Internal Internal (adj) /ɪnˈtɜː.nəl/ US /-ˈtɝː-/ occurring or existing inside a person, organization, place, country, object, etc. – intrinsic: He passed away due to intense internal bleeding.
External External (adj) /ɪkˈstɜː.nəl/ US /-ˈstɝː-/ occurring or existing outside a person’s body, country, organization, place, object, etc. – extrinsic: The company’s financial success has been undermined by so much external pressure.
Age-old Age-old (adj) /ˈeɪdʒˌəʊld/ US /-ˌoʊld-/ existing for a long period of time – ancient – long-existing: the age-old issue of racial discrimination
Enduring Enduring (adj) /ɪnˈdjʊə.rɪŋ/ US /-ˈdʊr.ɪŋ/ continuing and existing for a very long period of time – lasting: It was so difficult for her to delete the enduring bitter memories of her dismal childhood.