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100 Classroom Idioms Teachers Use Naturally

March 19, 2026

100 Classroom Idioms Teachers Use Naturally

No. Item Definition
1. A piece of cake Very easy
2. All ears Listening closely and attentively
3. Back to square one Return to the beginning
4. Better late than never Late is better than not
5. Bite off more than you can chew Take on too much
6. Bite your tongue Stop yourself from speaking
7. Break the ice Ease initial awkwardness
8. Brush up on Review to improve skills
9. Buckle down Start working seriously
10. Burn out Become exhausted from overwork
11. Burn the midnight oil Work late into night
12. By the book Following rules exactly
13. Call it a day Stop working for now
14. Catch up Reach the same level
15. Chime in Add a comment
16. Clear the air Resolve tension or misunderstanding
17. Close but no cigar Almost correct but not
18. Cut to the chase Get to the main point
19. Down to the wire At the last moment
20. Draw a blank Fail to remember
21. Drop the ball Make a mistake
22. Easy does it Go slowly and carefully
23. Elephant in the room Obvious issue ignored
24. Every cloud has a silver lining Good can come from bad
25. Face the music Accept consequences
26. Fair and square Honestly and legally
27. Fall behind Lag in progress
28. Find your footing Become comfortable and confident
29. Fish out of water Uncomfortable in new situation
30. For the time being Temporarily
31. From scratch From the beginning
32. Get a grip Control yourself
33. Get a move on Hurry up
34. Get back on track Return to progress
35. Get carried away Become overly excited
36. Get cold feet Lose courage
37. Get the ball rolling Start something
38. Hands down Easily; without doubt
39. Hang in there Don’t give up
40. Have your hands full Be very busy
41. Hit the books Study hard
42. Hit the nail on the head Be exactly right
43. Hold your horses Wait; slow down
44. In a nutshell In brief
45. In hot water In trouble
46. In the long run Over a long time
47. In the nick of time Just in time
48. In the same boat In the same situation
49. Jump the gun Act too soon
50. Jump through hoops Do many required steps
51. Keep an eye on Watch carefully
52. Keep it up Continue doing well
53. Keep your cool Stay calm
54. Keep your head up Stay positive and confident
55. Keep your nose to the grindstone Work hard continuously
56. Kick the habit Stop a bad habit
57. Kill two birds with one stone Achieve two goals at once
58. Know the ropes Understand how things work
59. Last but not least Final item is important
60. Learn the hard way Learn through mistakes
61. Leave no stone unturned Search thoroughly
62. Let it sink in Take time to understand
63. Let the cat out of the bag Reveal a secret
64. Look sharp Pay attention; be ready
65. Make a long story short Summarize briefly
66. Make the grade Meet the required standard
67. Make up for lost time Work to catch up
68. Miss the boat Lose an opportunity
69. Mull it over Think about it carefully
70. Nail it Do it very well
71. No big deal Not important
72. No pain, no gain Effort is needed for success
73. No sweat No problem; easy
74. Not my cup of tea Not something I like
75. Off the top of my head Without much thought
76. On a roll Having continued success
77. On cloud nine Very happy
78. On the right track Proceeding correctly
79. On the same page In agreement; understanding together
80. On thin ice In a risky situation
81. Pack it in Stop doing it
82. Pass with flying colors Succeed very well
83. Pick up the pace Go faster
84. Play it by ear Improvise as you go
85. Practice makes perfect Practice improves skill
86. Pull your weight Do your fair share
87. Put it off Delay doing it
88. Put your best foot forward Make your best effort
89. Put your heads together Think as a group
90. Raise the bar Set higher standards
91. Read between the lines Understand hidden meaning
92. Ring a bell Sound familiar
93. Roll up your sleeves Prepare to work hard
94. Rome wasn’t built in a day Big results take time
95. Run out of steam Lose energy or motivation
96. Save your breath Don’t waste your effort
97. See eye to eye Agree completely
98. See the light Finally understand
99. The ball is in your court It’s your turn to act
100. Time flies Time passes quickly
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