A free, playable vocabulary list. · 18 words · CEFR B2
Every word below is wired into all five arcade games — open one and your 18-word set is loaded, ready to match, recall and review.
| # | Word | POS | Level | Definition & example |
|---|---|---|---|---|
| 1 | piece of cake | idiom | B2 | something that is very easy to do The test was a piece of cake. |
| 2 | break the ice | idiom | B2 | to make people feel comfortable at a first meeting A funny story broke the ice at the party. |
| 3 | under the weather | idiom | B2 | feeling slightly ill She stayed home because she felt under the weather. |
| 4 | call it a day | idiom | B2 | to stop working for the day We were tired, so we called it a day. |
| 5 | cost an arm and a leg | idiom | B2 | to be extremely expensive The repair cost an arm and a leg. |
| 6 | once in a blue moon | idiom | B2 | very rarely He visits us once in a blue moon. |
| 7 | miss the boat | idiom | B2 | to lose a chance by acting too slowly Apply now, or you will miss the boat. |
| 8 | hit the nail on the head | idiom | B2 | to say exactly the right thing You hit the nail on the head with that idea. |
| 9 | out of the blue | idiom | B2 | suddenly and without warning She called me out of the blue yesterday. |
| 10 | a blessing in disguise | idiom | B2 | something bad that later brings good results Losing that job was a blessing in disguise. |
| 11 | back to the drawing board | idiom | B2 | starting a plan again after it failed The plan failed, so it is back to the drawing board. |
| 12 | burn the midnight oil | idiom | B2 | to work or study until very late He burned the midnight oil before the exam. |
| 13 | get cold feet | idiom | B2 | to become too nervous to do something you planned She got cold feet before the speech. |
| 14 | sit on the fence | idiom | B2 | to avoid choosing one side in a disagreement Stop sitting on the fence and decide. |
| 15 | let the cat out of the bag | idiom | B2 | to tell a secret by accident He let the cat out of the bag about the party. |
| 16 | kill two birds with one stone | idiom | B2 | to reach two goals with one single action Walking to work kills two birds with one stone. |
| 17 | spill the beans | idiom | B2 | to tell a secret to people Come on, spill the beans about the surprise. |
| 18 | the best of both worlds | idiom | B2 | the good parts of two very different situations This job gives her the best of both worlds. |
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