| 词汇 | tighten up |
| 释义 | tighten up A. transitive verb [tighten sth up, tighten up sth] ① (tauten) 收紧 ‹spring›; 系紧 ‹rope, belt, strap, tie›② (make stricter) 使更严格 ▸ to tighten up security 加强安全措施 ▸ to tighten up laws/regulations/restrictions on sth 针对某事物更严格地执行法律/规定/限制规定 B. intransitive verb ① ▸ to tighten up on sth (become stricter) 对某事物更严格 ② (become tense) 变得紧张 |
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