Subsidiary: a business company that is owned or controlled by another larger company
Slack: not putting enough care, attention or energy into sth and so not doing it well enough: e.g. He’s been very slack in his work lately. Discipline in the classroom is very slack. (flojo, descuidado)
Take on: to employ sb: e.g. to take on new staff. She was taken on as a trainee
Uptight: anxious and/or angry about sth: Relax! You’re getting too uptight about it.
Course: of course. E.g. ‘Will you be there?’ ‘Course I will.’
Lean: to bend or move from a vertical position. Inclinar(se)
Bubbly: 1. full of bubbles 2.(of a person) always cheerful, friendly and enthusiastic.
Fill / fit the bill: to be what is needed in a particular situation or for a particular purpose: e.g. On paper, several of the applicants fit the bill.
Of all people, things, etc.(informal): used to express surprise because sb/sth seems the least likely person, example, etc.: e.g. I didn’t think you, of all people, would become a vegetarian.
Turn out: to be discovered to be; to prove to be: e.g. The job turned out to be harder than we thought.
Tricky: difficult to do or deal with. E.g. a tricky situation