缝纫 

Pinyin: féng rèn 
Meaning：Sew; stitch
Sentence：她继续她的缝纫工作。She continued her stitching.

More: 

缝： 

Pinyin: féng,fèng
Meaning: To sew; to stitch
Radical: 纟
Stokes: 13
Traditional: 縫
Common words/Phrase: 
缝隙 [fèng xì] 【lacune】
缝制 [féng zhì] 【make up】
缝合 [féng hé] 【suture】
缝补 [féng bǔ] 【darn】
裂缝 [liè fèng] 【crack】

纫： 

Pinyin: rèn
Meaning: To string; to thread (needle)
Radical: 纟
Stokes: 6
Traditional: 紉
Common words/Phrase:
缝纫 [féng rèn] 【sew】