1silk
2thread-like thing; (cuisine) shreds or julienne strips
3classifier: a trace (of smoke etc), a tiny bit etc
Examples
wǒ我xiǎng想bǎ把zhè xiē这些tǔ dòu土豆qiē切chéng成sī丝。
我想把这些土豆切成丝。
I want to slice these potatoes into strips.
我用丝线缝了这条裙子。
I sewed the dress with silk thread.
她买了两双波点丝袜。
She bought two pairs of polka dot stockings.