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Discover LudwigThe phrase "a obstacles" is not correct in written English.
The correct form should be "an obstacle" since "obstacle" begins with a vowel sound.
Example: "Overcoming an obstacle can lead to personal growth and resilience."
Alternatives: "a challenge" or "a hurdle."
Exact(3)
Rosenberg, A, Obstacles to the Nomological Connection of Reasons and Actions, Philosophy of the Social Sciences, vol. 10 no. 1 (1980), pp. 79-91, SAGE Publications [doi].
Rosenberg, A, Obstacles to the Nomological Connection of Reasons and Actions, Philosophy of the Social Sciences, vol. 10 no. 1 (January , 1980, pp. 79-91, SAGE Publications.
This low vertical velocity of the foot is problematic when the robot overcomes a obstacles, and eventually limit the maximum walking speed on rough terrain.
Similar(57)
On the battlefield of love, ambition is an obstacle ― not a hindrance, an obstacle.
This is a teammate offering an obstacle.
A symbol of an obstacle overcome.
That nothing works is both an obstacle and an opportunity.
"The debt is no longer an obstacle or an issue".
Lack of an idea is an obstacle".
Lead up to an obstacle with an easier sound.
Israel has somehow become an obstacle to war and an obstacle to peace simultaneously.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com