Colleagues should be cooperating with each other, not competing with each other as "enemies". If you think of your coworkers as stumbling blocks to your own development, it will be difficult for you to gain a foothold in the office, and of course, it will be even more difficult for you to develop. Remember that mutual benefit is the basic prerequisite for collective acceptance.
How to be a competent subordinate? When a leader encounters a problem, he should take the initiative to help the leader through it, even though it is not his job, if it is within his ability.
Under the performance appraisal system, which is characterized by strengthened accountability, it is not uncommon for superior managers to shirk their responsibilities and let their subordinates bear the consequences of their mistakes.