Without precedent
无先例可援,史无前例
🧩 词语组成解析
without
[wɪ'θaʊt]
adv. 在外部;户外;缺少;没有或不显示某事物;
prep. 没有，缺乏;在外面;
conj. 除非，如果不;
🗣️ 情景例句
And his name and the date are on the bottom.
他的名字和日期都在下面。
Where there are reeds, there is water.
有芦苇处必有水。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。