n.門檻；開端；界限；入口

The treaty will be the threshold of lasting peace. 這個(gè)條約將成為持久和平的開端。

He was on the threshold of his career. 他的事業(yè)剛剛起步。

The tax threshold for a pensioner is $6,000. 領(lǐng)退休金的人的納稅起點(diǎn)是六千美元。

He had never crossed the threshold of a bar before. 他過去從未進(jìn)過酒吧的門。

閾值