There's no time to get nervous if you're trying to get these two items accomplished.
There's no time to get nervous = 緊張している暇はありません
if you're trying to get these two items accomplished = この二つの目標を達成しようとするなら
この二つの目標を達成しようとするなら緊張している暇は有りません
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There's no time to be in a slump if you're trying to speak English well.