This common idiom means avoiding an obvious problem. Its image comes from an old myth about ostriches, not their real behavior.
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Nominalization of Adjective Phrases Exercise
C1 ESL multiple-choice gap-fill exercise on nominalization of adjective phrases.
What “hook, line, and sinker” means, and where it comes from
“Hook, line, and sinker” means completely, often with the idea of being fooled. Its fishing image helps explain the idiom clearly.
Whole or hole: what is the difference?
Whole means complete or entire. Hole means an opening or empty space. Learn the difference with simple examples.
Latest vs. last: what is the difference?
Latest means most recent. Last can mean final, previous, or most recent before now. Here is how to choose the right one.

