“under the wire”别理解成“在窃听器下面”，真实含义是在最后关头；在最后期限前。

【例句】
They got in just under the wire with the agreement.
就在最后期限前，他们签署了那份协议。

One or two companies got in under the wire and made loans to executives before the U.S. ban came into effect.
有一两家公司在美国禁令生效之前，最后关头向高管们提供了贷款。