take notice of / worry about / think of / pay attention to

reconsider / reflect upon *oneself / think about a matter more earnestly / examine *one's actions / reflect upon / re-examine / consider (the result of one's own actions) / reflect on / give some thought to

switchover / renewal / convert / reshuffle <personnel> / conversion / changeover / switch / renew / reorientation / change / transfer

fancy mat / flower mat

know *someone's face / know *someone by sight

getting acquainted with a person / associating with a person / acquaintance / knowing a person's face / knowing a person by sight / being acquainted with a person / casual acquaintance

engage / hire / employ

engage / hire / employ

be devoted to / devote *oneself to / take *one's time and energy / give *one's whole time to / be given up to

be devoted to / take *one's time and energy / be given up to / devote *oneself to / give *one's whole time to