I could focus more on my studies. 我能更专注于学业
Focus on the pretty girl. 然后将注意力集中到位美女那里
I need you to focus, and I need you to sign these papers. 我需要你集中精神 然后把文件签了
..the consequences of our actions are thrown into sharp focus. 我们的行为造成的后果逐渐成为了人们关注的焦点
where an archerfish can focus on beating the competition. 可以专注于竞争的稳定环境