to concentrate and direct all one's effort, attention, and focus toward achieving a particular goal

집중하다, 초점을 맞추다

to visit a place or someone without a prior arrangement, often casually and briefly

들르다, 방문하다

to develop a positive relationship or connection with someone or a group, typically to gain their approval, favor, or influence

친해지다, 관계를 맺다

to surrender to someone's demands, wishes, or desires, often after a period of resistance

항복하다, 양보하다

to form a partnership or collaboration with someone or a group for a common purpose

협력하다, 파트너쉽을 맺다

to ask someone to come inside and join one at a particular place, typically one's home

들어오라고 하다, 초대하다

to maintain a positive relationship or connection with someone, often for personal gain or advantage

관계를 유지하다, 인맥을 유지하다

