1.The IDF announced a new operation. (acronym ראשי תיבות)
2.The Shabak is the General Security Service. (decoding)
3.The Ministry of Education (MAH) published new directives.
4.The root s-ch-r gave a bunch of words: to trade, market, trader, goods. (four derivatives)
5.Say it in a formal register: "I would like to receive an answer." (hayiti rotze)
6.Now in colloquial: "Give me an answer." (ten li)
7."What's new?" — formal and colloquial. (ma chadash / ma kore)
8."No problem" — colloquial. (ein be'aya / sababa)
9.Money grows on trees for him. (idiom: יש לו ממה לחיות)
10.Between a rock and a hard place. (bein ha-patish ve-ha-sadan)
11.Let's get back to our subject. (nachzor le-inyaneinu)
12.One isn't a warrior on the battlefield. (echad ba-sade eino lochem — or an equivalent)
13.Prices have gone up by fifteen per cent.
14.Half the students passed the exam. (chatzi)
15.Three quarters of the population speak Hebrew. (shlosha riv'ey)
16.The distance is two hundred kilometres. (matayim kilometer)
17.The temperature is twenty-five degrees.
18.Although I've been studying for two years, I still don't speak fluently.
19.Despite the fact that the experts warned us, no one reacted.
20.What you said last week turned out to be true.
21.The more I learn, the more I realise I don't know. (kol ze... yoter)
22.Say it beautifully — not "sefer" but "yetzira sifrutit". (word choice)
23.Not "ish" but "adam" — they sit in different registers. (synonym pair)
24.Come on, already! (nu, kvar!)
25.It's exactly you who has to do this. (davka)
26.As if I don't know. (ke'ilu)
27.Just like that, for no reason. (stam)
28.First read the headline, then the article. (koteret + katava)
29.Fill in the form and sign at the bottom. (tofes + chatima)
30.The message arrived last night. (hoda'a)
31.According to ministry data, the economy is growing. (lefi netuney)
32.The prime minister appeared on TV. (rosh ha-memshala)
33.Sorry, I didn't catch what you said — could you repeat it, please? (slicha + reduction)
34.In Tel Aviv people speak faster than in Jerusalem. (regional variant)
35."I told you" — man to woman vs. woman to man. (amarti lakh / amart li)
36.When I started learning Hebrew, I didn't know it would be so interesting.
37.If I had known the root, I would have understood the word.
38.The teacher who taught us said we can read without nikud.
39.To reach an advanced level, you need to read, listen, and speak every day.
40.The door of my teacher's house is always open.
41.If I have time, I'll read this book.
42.The book you gave me helped me a lot.
43.I'd like to say that the course is over, but the language isn't.
44.If I had more time, I'd learn five more languages.
45.The end of the Hebrew course is the beginning of the real journey.
46.Don't stop reading, listening, and speaking!
47.The name of the author of this book is Amos Oz.
48.Whoever sees the matrix of the language masters the language.
49.Idioms stick through context, not through lists.
50.Good luck! And the main thing — the language is not a destination, it's a path.