1.The United Nations is calling on North Korea's leadership to refrain from further provocations by launching ballistic missiles.

refrain from忍住；制止；控制；克制不要

I made a terrific effort to refrain from tears.
我狠着心把泪止住。

2.The Tennessee Department of Agriculture declined to name the breeder, but they are a known supplier for Tyson Foods.

decline to下降

I must decline to show favour to any of the candidates.
我必须拒绝偏袒任何一位候选人
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