严字当头、全面从严、一严到底
with the strictest discipline in all respects and at all times
语境：要以永远在路上的执着和韧劲，坚持严字当头、全面从 严、一严到底，深入推进我军党风廉政建设和反腐败斗争。
译文：We must never falter in our efforts to improve Party conduct and combat corruption in the military, with the strictest discipline in all respects and at all times.
