寄

寄

To send; to mail; to entrust.

In this sentence, '寄' is used as a verb meaning 'to send', specifically referring to mailing an item.

我今天去邮局寄信。

I went to the post office to send a letter today.

Here, '寄' is part of the phrase '寄托', meaning 'to place one's trust or hope', showing an abstract usage of the word.

他把希望寄托在未来。

He placed his hope in the future.

In this example, '寄' is again used to mean 'to send' but within the context of sending correspondence as a hobby.

她喜欢寄明信片给朋友们。

She likes to send postcards to her friends.