1、She pettily criticized her colleague's work simply because she was jealous of her success.
她因嫉妒同事的成功，而毫无根据地对她的工作进行琐碎的批评。
2、Instead of addressing the bigger problems at hand, they spent the meeting pettily arguing over minor details.
他们在会议上无意地争吵细枝末节，而没有解决眼前更重要的问题。