Definition
An expression used to acknowledge that you are in the same unfortunate situation as the person who has just spoken.
我也是！
"I've been swamped at work and haven't had a break." "Join the club!"
「我工作忙得不可开交，都没休息。」「彼此彼此！」
"I was late to work this morning." "Join the club, I was too!"
「我今天早上上班迟到了。」「彼此彼此，我也一样！」
"I'm overwhelmed with assignments this semester." "Join the club, me too!"
「这学期我被作业压得喘不过气来。」「彼此彼此，我也是！」