to substitute for someone temporarily
暂时替代某人 (zan shi ti dai mou ren)
"The assistant will sit in for the teacher today."
"今天助理将坐下来为老师。" (Jin tian zhu li jiang **zuo xia lai wei** lao shi.)
to exchange cultural experiences and personal stories
to gradually stop doing something that no longer fits
to discuss an issue in a relaxed way without anger
to remain confident and proud even in difficult situations
to become happier or more cheerful
to expand into a new area of business or activity
