to keep changing your mind about something
不断改变对某事的想法 (budan gaibian dui moshide xiangfa)
"He’s been going back and forth about buying a new car."
"他一直在犹豫是否购买新车。" (ta yizhi zai youyu shifou goumai xinche)
to believe someone even if you are not sure they are telling...
to end a relationship or partnership
receiving public attention
an achievement to be proud of
used to introduce an opinion that may or may not be useful
to begin a process that leads to a result