to direct all your attention and efforts toward one thing
注意と努力を一つのことに集中する (chuui to doryoku o hitotsu no koto ni shuuchuu suru)
"The team needs to zero in on the main problem before making changes."
"チームは変更を加える前に主な問題に集中する必要があります。" (chiimu wa henkou o kuwaeru mae ni omona mondai ni shuuchuu suru hitsuyou ga arimasu)
to persuade someone to do something
to argue or disagree with someone
to start something from the very beginning
to finish preparations or close something securely
to secure or restrict access to something completely
to tease or joke with someone in a playful way
