pair (noun) pair: two of something
Sinonime: active,
attentive,
busy, constant, diligent, eager beaver,
exacting, grinding, indefatigable,
industrious,
laborious, persevering, plugging,
scrupulous,
sedulous, steady,
studious, unflagging, untiring,
whiz,
zealousAntonime: lazy, neglectful,
negligent