poner trabas

v.

to raise objections, to put a fly in the ointment, to create problems.

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poner trabas

figurado to put obstacles in the way

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(v.) = cramp

Ex. They used schools as a buttress of a caste system designed to subordinate blacks socially, to cramp them economically under a rigid job ceiling.

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(v.) = cramp

Ex: They used schools as a buttress of a caste system designed to subordinate blacks socially, to cramp them economically under a rigid job ceiling.