0 something that blocks you so that movement, going forward, or action is prevented or made more difficult -- 障碍；阻碍；妨碍
However, none of these presented the obstacle to practice that the absence of encouragement and positive comments from a class teacher did.
The performance of the proposed approach was tested in a variety of environments, with different obstacle constellations and working scenarios.
The primary obstacle to such a strategy is that the different components have been normed on different samples, often at very different times.
Over three-quarters of the respondents indicated that changes in organisational funding were the most important (67 %) or second most important (10 %) obstacle to effective operations.
Uncertainties in the magnetized plasma viscosity remain as an obstacle to unambiguous tests of the results in the case of real plasmas.
This is indeed the main obstacle to a strict prevention of consanguinity.
Here the final overcoming of obstacles and declaration of equality takes the form of a rococo interchangeability of persons in the love relationships.
Long terms variables, such as political culture, seem to be more important for understanding current obstacles at institutional consolidation.
