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 do more than what feels easy or safe
to become more receptive or welcoming toward new cultures or...
to make something seem less important or serious than it is
to think carefully about your actions, thoughts, and emotion...
to plan each step carefully for a specific purpose
to adjust oneself while keeping personal identity