1to entrust; to place in sb's care
2to depend on; to attach oneself to; to reside temporarily
3foster (as in 寄女 foster daughter)
4to send by post; to mail
Examples
kě yǐ可以bāng帮wǒ我jì寄zhè这fēng封xìn信ma吗？
可以帮我寄这封信吗？
Would you mind mailing this letter for me?
她一封信也没有寄来。
Not a letter did I receive from her.
我让她把书寄给我们。
I asked her to send us the book.