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obstacle
UK
/ˈɒbstəkl/
US
/ˈɑbstəkl/
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AI Expert
Explain how “obstacle” is used to mean a physical or abstract difficulty.
Show how to use “obstacle to” in a sentence and explain the preposition.
Compare “obstacle” with “barrier,” “hindrance,” and “challenge.”
Give five B2-level examples with “obstacle” and translate them into Russian.
Teach me useful collocations with “obstacle,” such as “overcome an obstacle.”
Explain whether “obstacle” is countable and show its singular and plural forms.
Give me a short exercise using “obstacle” in different contexts.
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