那意味着, 头脑必须是留心的, 必须是安静的.That means, the mind must be attentive, must be silent.这一点是首先需要留心的.This should be your primary concern!虽目前不能接受你方发盘, 我们会留心的.Although we cannot accept your offer at present, we shall bear it in mind....

“留心的”的英语可以翻译为：alert，observing，[法] observant，precautionary，jealous ...