戒骄戒躁 [- jiāo jiè zào]be on guard against conceit and impetuosity; avoid conceit and impetuosity; guard against arrogance and impetuosity [conceit and rashness; arrogance and rashness; pride and haste; conceit and impatience]; shun complacency and impetuosity:
•¶ 我们应该谦虚谨慎，戒骄戒躁， 全心全意为人民服务。 We should be modest and prudent, guard against arrogance and rashness, and serve the people heart and soul.