Tri Duc English - Unit 75 🧩 TRI ĐỨC ENGLISH 2026 • Pre-Intermediate UNIT 75 FIXED PHRASES LÝ THUYẾT TỪ VỰNG A. What are fixed phrases? There are many groups of words which you need to learn as complete phrases, because they often have a meaning which is different from the words on their own. Many of these are called idioms . They arrived out of the blue . [I didn't know they were coming; it was unexpected] Does the name Merchant ring a bell ? [sound familiar] You'll have to make up your mind soon. [make a decision] I think we'll have to get rid of some of this furniture. [remove it, e.g. sell it, throw it away, give it away, etc.] I'm afraid I can't talk to you now; I'm (just) about to leave. [I am going to leave very soon] I don't know what Martin said, but Natalie burst into tears . [suddenly started crying] She was very upset. Everyo...