put on an act

装模作样

pussyfoot, pustule, put, put (sth) down, put a check on, put across, put an end to, put aside, put away, put down, put forward, put in, put in for, put in order, put into effect, put into operation, put into practice, put it on, put off, put on, put on weight, put oneself out, put oneself/sb forward, put oneself/sth over (to sb), put out, put out of action, put out of sight, put sb away, put sb to sth, put sb. on to, put sth above sth, put sth across sb, put sth aside, put sth at sth, put sth back, put sth before/above sth, put sth by, put sth forth, put sth through, put sth together,