cotton on
phrasal verb with cotton verb uk/ˈkɒt.ən/ us/ˈkɑː.t̬ən/
informal
明白，领会
to begin to understand a situation or fact
I'd only just cottoned on to the fact that they were having a relationship. 我那时才明白他们在谈恋爱。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。