play it by ear 随机应变 ; 见机行事 ; 现场发挥 ; 不用看谱
Let's play it by ear 看情况吧 ; 顺其自然吧
I'll play it by ear 我将随兴而定
Lets play it by ear 让我们随兴所至
I don't know what they'll want when they arrive—we'll have to play it by ear.
我不知道他们到达时需要什么—我们只有见机行事了。
《牛津词典》
Play it by ear.
随机应变。
youdao
So the WHO has decided to play it by ear, and given the unpredictability of flu, this is probably not a bad thing.
因此，世卫组织已经决定让出发言权。因为流感的标准存在不确定性，所以这样做或许也不是一件坏事。
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