| Gb | Eng |
|---|
| 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. |
| 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. |
| 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. |
| 你现在先别决定接受这项工作: 考虑一天再说. | Don't say now if you'll take the job: sleep on it first. |
| 我因有约在先, 所以只好谢绝你的邀请. | I shall have to refuse your invitation because of a prior engagement. |
|