threading

1.threading dark alleys.

小心翼翼地穿过黑暗的小巷

2.Constance sat threading beads.

康斯坦斯坐着穿珠子。

3.She was threading pearls on a string to make a necklace.

她在把珍珠串一串项链。

4.A fiddly task like threading a needle often makes you frown.

烦琐的工作就像穿针引线一样, 常常令你皱眉头。