把关

kiểm định; kiểm soát; nắm chặt; đảm bảo

check (up) strictly (on sth) for mistakes 把好政治关 ensure political soundness 把好产品质量关 keep check and guarantee/ensure the quality of a product 最后 把关 give the final check (on/against) 严格 把关 make strict checks on sth 层层 把关 make checks at all levels