在先

1. 下一节目五分钟後开始，现在先播放些音乐。
   The next programme starts in five minutes: in the meantime, here's some music.
2. 我因有约在先，所以未能参加这个会。
   I was unable to attend the meeting because of a prior engagement.
3. 有约在先，我恐怕不能与你共进晚餐。
   I fear that a prior engagement will prohibit me from joining you in dinner.
4. 在先，居前在时间上居前或来得早
   A preceding or coming earlier in time.
5. 回针缝在先前缝的一针中间加缝的一针，以便使针脚的交错重叠为原来长度的一半
   A stitch made by inserting the needle at the midpoint of a preceding stitch so that the stitches overlap by half lengths.

在的英语翻译：

先的英语翻译：