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)
a risky or uncertain situation where the outcome is doubtful
a perfect couple, very well suited for each other
to use one's influence or connections to get things done
Dishonest or untrustworthy.
used when you meet someone after a long time
to feel very happy and positive
