?装模作样

... abstain from改掉，弃权，避开 put on an act装模作样 be addicted to沉湎于；使吸毒成瘾 ...

?装腔作势

设法接近（结识）某人 Put on an act 装腔作势 Make much ado about nothing无中生有，无事生非 ..

?卖弄自己

... plead the baby act 以未达法定年龄为由取消所承担的责任; 借口缺乏经验请求原谅 put on an act 装模作样; 卖弄自己 read the Riot Act (对吵闹的小孩等)加以申斥; 提出警告 ...