To sow dissension and stir up trouble; to be two-faced and create friction among people.
小张总是喜欢在同事之间里挑外撅，搞得大家关系很紧张。
Xiao Zhang always likes to sow discord among colleagues, making everyone's relationships very tense.
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To sow dissension and stir up trouble; to be two-faced and create friction among people.