to be more advanced or prepared than others
比其他人更先进或更有准备 (bi qita ren geng xianjin huo geng you zhunbei)
"Students who review regularly stay ahead of the class."
"定期复习的学生，领先于班级。" (dingqi fuxi de xuesheng, lingxian yu banji)
to swap for a simpler or cheaper alternative
to complete entry paperwork when arriving somewhere
to express anger or frustration violently or suddenly
to become very anxious or upset about something
to treat someone unfairly or criticize repeatedly
to begin or participate in an agreement or discussion
