
Description of lock (noun: plural: locks) fastening mechanism which is opened with a key or other device
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Description of hallmark (noun: plural: hallmarks) identifying characteristic
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Description of secret (adjective) classified; confidential; clandestine; covert; hidden; latent
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Description of equipment (noun: plural: equipments) supplies; necessary items; tools, instruments or other objects for completing a task
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Description of unsatisfactory (adjective) inadequate; disappointing; not good enough
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Description of guide (verb: guided; guided; guiding) to direct; to lead; to instruct
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Description of yield (verb: yielded; yielded; yielding) to produce; to supply; to bear (profit, harvest, fruit, etc.)
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Description of narrow (adjective) tight; strait; reduced; not wide
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Description of chop (verb: chopped; chopped; chopping) to cut; to cut down; to cut into pieces; to mince
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Description of cement (verb: cemented; cemented; cementing) to reinforce; to bind together; to strengthen a connection
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